Summer squeegee brushes.

Golovna

Salon

It’s not clean there, where they are tidying up, but there, where the door holder is drawing from the towel!

Zi be careful Doors will be needed by everyone forever. They will be required by any administration, the stench is present on all cars. If you try to replace mechanical brushes with anything else - ultrasound or forceful blowing - you will lose your tests. Virologists sometimes claim innovations, changing frame structures to frameless or hybrid ones, but the essence is no longer unchanged: .

What are the best things about them? New doors, as a rule, cope with the work completely poorly, so we decided to carry out the most resource testing to ensure wear of the brushes, equivalent to wear during the average statistical mileage of the car. Fifteen teams of squeegees took part in the testing, and from each of them we took three new doors (for which there were three, probably three years later). Ideally, I would like to various virobniks

boules represented by the design

We tried out the methodology and tried a few more times, if we started it first.

Well, we have three brushes of the skin model.

Persha is the name of the reference.

You will not take part in the testing, but will serve as a “kidney” for the bag along with two other brushes that are being tested.



The other one is working hard for wear.

Why should we lower the rating for the unclear instructions and the ease of installation, if the main method of testing is to check the resource with the virus?

Someone will say: smut, so that the door opener works, and how to fix it and how to fit into my car, I’ll figure it out myself.

Therefore, for those who do not care about the need to take care when choosing brushes, we publish the current results in the table with a heading.

And we indicate the average score, which evaluates the real capabilities of the door.

And the insurance bag contains all the results of our verification.

In both cases we indicate the arithmetic mean of all values.

Those who are not suitable for such an approach can carry out their own refreshment: we have indicated for all the shortcomings, and you can evaluate the importance of the skin in your own way.

As always, we remember: our evaluations are limited to a specific selection of products, and therefore cannot be used to evaluate all products of the same brand.

At our photo gallery we displayed the tested viruses behind the scenes.

PROS AND CONS OF THE BASIC DESIGNS OF CLEAR CLIPERS

Frame

The “classic” design with a large number of rocker arms and a large number of hinges has been expanded.

The gum stitch is woven between two stainless steel strips.

Frameless

. An increase above the norm reduces the pressure of pressing, and the brushes can rub one another. A short brush will shorten the sector by looking around.

Now we are amazed at the stability of prices and prices.

Leaders keep things simple

frame brushes


- Fenox Max Vision and Bosch Eco 50C.  The reason for this situation was obvious even before the beginning of testing: to pay 2400 rubles for the Maruenu Gyraless TW‑50 frame would be completely unnecessary.

So how should you apply the brushes?

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). After bench testing, all squeegee cleaners reduced the cleaning strength.

  • Therefore, in our opinion, it may be better to change the doors more often and not rush to splurge on new products that are actively leaking.
  • Simple frame constructions are difficult to understand and play, but they are not easy to see.
  • However, the stench doesn’t seem to be as bad as it is cheaper to buy.

The only thing we can't help but notice is the stiffness of the door.


- Fenox Max Vision and Bosch Eco 50C.  The reason for this situation was obvious even before the beginning of testing: to pay 2400 rubles for the Maruenu Gyraless TW‑50 frame would be completely unnecessary.

If you are foolish, you will not be able to install the brush unless it is insured for your car. Which doorman would we choose?

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Perhaps, this is Trico Fit HF500 and Bosch Eco 50C. 

  • The first guarantee for the totality of performance characteristics: the hybrid design won our marathon better than others.
  • The Bosch frame is attractive not only because of its robust properties, but also because of its excellent price and performance characteristics.
  • Choose.
  • We have laid out all the cards in front of you.
  • Kraina virobnik

Serbia


- Fenox Max Vision and Bosch Eco 50C.  400 rub.

If you are foolish, you will not be able to install the brush unless it is insured for your car. Construction/design

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). frameless/500 mm

  • UV-viprominyuvaniya appeared slight dark spots in the upper cleansing zones
  • The fourth place is in absolute lull.
  • Very decent displays at all stages.
  • We have been honored.
  • Strongly brooding on the cob of robots
  • After the climatic chamber and the infusion of UV-vitrowashing, a small uncleaned area on the side of the water appeared

These brushes are truly average in all respects.


- Fenox Max Vision and Bosch Eco 50C.  400 rub.

If you are foolish, you will not be able to install the brush unless it is insured for your car. 370 rub.

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Simple frame constructions are difficult to understand and play, but they are not easy to see.

  • There is no Russian information
  • The first guarantee for the totality of performance characteristics: the hybrid design won our marathon better than others.
  • It is necessary to make a gentle noise when removing the brush.
  • After the climatic chamber and infusion of UV-vitrolysis, uneven purification appeared

The brushes performed miraculously under the board.


- Fenox Max Vision and Bosch Eco 50C.  When it was difficult to clear the obstruction, they became discouraged and were drawn to the table of ranks.

If you are foolish, you will not be able to install the brush unless it is insured for your car. The garne of hostility appeared smeared.

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Simple frame constructions are difficult to understand and play, but they are not easy to see.

  • Therefore, in our opinion, it may be better to change the doors more often and not rush to splurge on new products that are actively leaking.
  • France
  • 500 rub.
  • Installation difficulties
  • A twist is required to access the adapter.

Crushing on hanging rock on both sides


- Fenox Max Vision and Bosch Eco 50C.  After the climatic chamber and the infusion of UV-vibration, slight darkening appears in the area of ​​​​the upper edge of the brush

If you are foolish, you will not be able to install the brush unless it is insured for your car. The French frameless one has not forgotten anything.

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Easy to clean, installation is not easy.

  • Mexico
  • 590 rub.
  • hybrid/500 mm
  • There is no information about stagnation
  • There is no information about the installation location

Daily Russian news reports


- Fenox Max Vision and Bosch Eco 50C.  Daily indication old

If you are foolish, you will not be able to install the brush unless it is insured for your car. After the climatic chamber and the infusion of UV-viprominuvaniya – a slight darkening in the area of ​​​​the upper part of the brush on the passenger side

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Perhaps, this is Trico Fit HF500 and Bosch Eco 50C. 

  • Therefore, in our opinion, it may be better to change the doors more often and not rush to splurge on new products that are actively leaking.
  • Miraculous behavior under the plank.
  • Vice-champion based on practical results.

It’s a pity that no one dared to tinker with the text on the packaging.


- Fenox Max Vision and Bosch Eco 50C.  Daily indication old

If you are foolish, you will not be able to install the brush unless it is insured for your car. Korea

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Perhaps, this is Trico Fit HF500 and Bosch Eco 50C. 

  • 300 rub.
  • Crushing new doors from both sides

After the climatic chamber and the influx of UV-viprominyuvaniya - there is a slight dark on the side of the passenger


- Fenox Max Vision and Bosch Eco 50C.  Vice-champion in absolute competition.

If you are foolish, you will not be able to install the brush unless it is insured for your car. Please take a look at the competitive prices and prices.

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Perhaps, this is Trico Fit HF500 and Bosch Eco 50C. 

  • Pouch: good!
  • 140 rub.
  • Old indication not transferred
  • Therefore, in our opinion, it may be better to change the doors more often and not rush to splurge on new products that are actively leaking.
  • Simple frame constructions are difficult to understand and play, but they are not easy to see.
  • Crushing in the lower part from both sides

Champion in the nomination “Brightness/price”.


- Fenox Max Vision and Bosch Eco 50C.  After the climatic chamber and the infusion of UV-vibration, slight darkening appears in the area of ​​​​the upper edge of the brush

If you are foolish, you will not be able to install the brush unless it is insured for your car. The garne of hostility appeared smeared.

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Easy to clean, installation is not easy.

  • UV-viprominyuvaniya appeared slight dark spots in the upper cleansing zones
  • 140 rub.
  • Let's get to the absolute best.
  • The first guarantee for the totality of performance characteristics: the hybrid design won our marathon better than others.
  • Simple frame constructions are difficult to understand and play, but they are not easy to see.
  • Much better!

Japan 2400 rub. There is no Russian text There is no information about car models There is no information about the installation


- Fenox Max Vision and Bosch Eco 50C.  After the climatic chamber and the infusion of UV-vibration, slight darkening appears in the area of ​​​​the upper edge of the brush

If you are foolish, you will not be able to install the brush unless it is insured for your car. After the climatic chamber and the infusion of UV-vibration, slight dark spots appeared on the side of the water

Our testing has shown that the three types of construction do not have the same advantages a priori (including the brand). Simple frame constructions are difficult to understand and play, but they are not easy to see.

  • The frame virobu has a reasonable price for a wide variety of work displays.
  • 140 rub.
  • There is no information about the installation location
  • The first guarantee for the totality of performance characteristics: the hybrid design won our marathon better than others.
  • Unnecessary snuggle

Champion

In the cold winter months, there is snow, drainage and anti-ice reagents that are used on the forehead can cause problems during the hour of car cleaning. Since you've been using your door openers for the past six months, it's time to check and possibly replace them with winter squeegee brushes

. What is the best way to choose? To confirm this question, we looked at the search engine on various specialized sites and read the results level tests and chose the best winter doors for the car, which deserve the highest ratings of goodness small quantity skarg.

When ranking, the following criteria were also taken into account: the popularity of the plant

  • Russian market
  • and the price of door openers.

5. Horse Acrobat Price - 408 rubles. Dovzhyna - from 41 to 65 cm

These are all-season doors

Russian virobnik

  • Suitable for both left-hand drive and right-hand drive cars.
  • The authors adapted the brushes as much as possible before the Russian winter.

They do not have hinges and are empty, where they can get wet with ice, which predicts the success of the virus in the depths of frost and moisture. The acrobat is resistant to anti-icing reagents, despite its anti-corrosion powers. The door frame is protected by a silicone spoiler.

In addition to the brushes, you can purchase replacement scouring pads. Shortcomings: when changing the door handles directly, a clattering noise may occur, possibly through those that are too tightly pressed against the glass. Rich people have money for squeaking on dry floors.

When driving at speed over 120 km per year, the brushes are blown out of the tire. 4. Alca Winter Price - 483 rubles.

Dovzhina - from 33 cm to 65 cm.

  • The Chinese model of the German brand continues the top of the finest winter squeegee brushes 2016
  • gum choke

The third position on the list is occupied by the brushes of the Mexican plant.

Clean well and silently, extracting a minimum of anti-freeze.

Consideration of the generator: the set of TRICO Ice has adapters that allow you to install them on different mountings.

  • And in frost and wet snow, cleaning the warehouse can be done efficiently.
  • Disadvantages: there are no money from the owners for the fact that the right brush takes away from the uncleaned area.

This is achieved through gentle pressure to the edge.

During heavy snowfall, the sticky snow melts and forms ice, through which the brushes begin to clean the slope with an overflow.

2. Champion Winter

  • Price - 430 rubles.
  • Dovzhyna - height 41 to 60 cm

Another ranking number goes to winter doors manufactured in the European Union.

Covered with a sealed waterproof cover wrapped around the frame, snow does not stick to them.

Even the softest gum is pressed against the surface and cleanses it.

Disadvantages: as the next season of operation approaches, the cover can begin to leak moisture, sometimes in the cold the brushes have to be “kneaded”.

At a speed of 120 km per year, it’s bad to clean because it doesn’t absorb clean water. If you noticed that the squeegees do a nasty job, try cleaning the humus first.

This is all you need to achieve many more years or months of door service. Soak a clean paper cloth or cloth with a small amount of water, rind, or alcohol and wipe along the edge of the door. The edge is clean and smooth, without nicks, chips or gaps, and the gum is pliable, without cracks.

Carefully scrape the krig from frontal slope in front of the door panels, so that the ice can be peeled off or the edge of the door panels damaged.

No matter how new and current your car is, there is a lot of safety in the minds of the dirty appearance of something as simple as a squeegee brush.

  1. At emergency replacement
  2. You worry about looking at the road and blame it on the unsafety of an accident. It also happens that the new brushes leave marks on the surface and become separated, and do not adhere well to the surface.
  3. Doors often do not withstand the winter season; frost and temperature changes cause them to lose their power. It is clear that any motorist would like, without wasting any effort, to add brushes so that they can better cope with their tasks to the fullest extent.
  4. The rating for the Mark.guru version will help you choose the best squeegee brushes among different types of designs. The first time you make a purchase, take into account the following characteristics:
  5. Construction type. All doors are divided into frame, frameless and hybrid. Each of them has its own pros and cons, so you need to choose the best option for yourself.
  6. Kriplennya. All models are supplied with adapters of different types, as well as those that do not fit the mounting bracket.

Size

This is the cheapest option, in which such a design will ensure the best fit for the gum wood that needs to be cleaned.

The fit is ensured by the metal rocker arms on hinges.

Today's door axles are usually made of plastic for better operation in cold weather and less freezing temperatures.

The downside of this type of brush is its low wear resistance. First of all, the smell is not suitable for winter; the metal parts will freeze and freeze. Otherwise, with unclear design, the loose elements become spoiled, the geometry is destroyed, as a result of which the gum gum becomes deformed and cannot cope with the cleaning of the warehouse.

This is a model of the French company Valeo, which is engaged in the production of components directly for European cars. BMW, Mercedes, Volvo and Audi, assembled in Europe, are produced with doors of this brand. The assortment is wide

model range

, can be customized by size or by car model, and are prepared for standard “hook” mounting.

  • The brushes have a distinctly different material.
  • Guma, it’s good to tell you
  • winter minds
  • .

Hard in the cold, after warming up the car, elasticity and softness are not lost.

With vikoristan there is no creaking, no separation.

The model has a rubber wear indicator, so you will know exactly when it’s time to add new brushes.

This model is positioned as silent due to its low friction coefficient.

The frame is securely fastened to the gum at six points.

  • The base of the plate is very high, which completely includes the fabric of the frame and the fold.
  • Guma, it’s good to tell you
  • clear materials and folding;

tighter fit;

silent robot;

The model has a rubber wear indicator, so you will know exactly when it’s time to add new brushes.

In third place in the rating of frame brushes is the German model Heyner Exclusive.

The metal frame is galvanized, the spring is made of stainless steel.

The brush has good aerodynamics, which ensures smooth pressing and efficient work at high speeds. A special anti-glare coating has been applied to the body. The model comes in a wide range of sizes and has a stud fastening.

  • You can also easily add an adapter that will allow you to install the doors on almost any car model.
  • The base of the plate is very high, which completely includes the fabric of the frame and the fold.
  • In addition, the design makes it possible to replace the rubber band for the brushes, which allows you to save on replacement.
  • Ale ce f є i

weak side

In this model, the dismantling of the design creates a risk of the door opening in the cold when the humic part freezes to the glass.

The model has a rubber wear indicator, so you will know exactly when it’s time to add new brushes.

low price;

a stronger fit than any kind of fluidity;

It is possible to use an adapter for other types of fastenings.

  • Disadvantages: freezing to the surface, risk of disintegration of the structure.
  • The average price is 800 rubles per set.
  • 4. Champion Aerovantage

The special feature of the brush is the metal construction of the body, as well as a universal connector, which allows you to use a model of different types of fastening.

Spring connections at the base of the frame ensure a strong fit to the surface, the brushes are light and operate quietly.

high acidity of the humic element;

smoothness of the robot;

Universal fastening.

Disadvantages: the hinged structure is difficult to achieve.

Prices for Champion Aerovantage:

Frameless models These doors have a gum coating, are easy to clean, are mounted on two thin metal plates, and the entire structure is contained in a rubbery plastic case. The strength of the adhesion to the glass is much lower than that of frame models, but such doors are not susceptible to freezing in the cold and work wonderfully in any weather.

It is more expensive to purchase for models with a metal frame.

  • 1. Denso Flat Blade
  • The most beautiful frameless model is the brushes
  • Japanese company

Denso Flat Blade.

Its high characteristics of the stench are shown, first of all, by the miracle of aerodynamics.

Prices for Denso Flat Blade:

Exceptional frameless scrapers from a French manufacturer, but at a very high price.

Plus, there are still the same traditional bolt fastenings, which are not suitable for all cars.

Ale Vikonannya models are simply amazing.

  • The rubber material is rated the same as in the frame model, which has softness, elasticity and wear resistance.
  • In addition, the design has improved aerodynamic characteristics, which ensures faster blowing of brushed water, which is seen as a flow of wind.
  • There is also a proprietary color wear indicator.
  • clear material and wiccanny;
  • garna robot under the hour of collapse at high speed;

durability.

The model has a rubber wear indicator, so you will know exactly when it’s time to add new brushes.

high price;

There is no adapter for other types of fastening.

The average price for a set is 1900 rubles.

  • The base of the plate is very high, which completely includes the fabric of the frame and the fold.
  • In the segment of frameless models, the German Bosch Aerotwin took over third place.
  • Its advantage is also good aerodynamics, which means a better fit to the skin.
  • In this case, water, brood, and snow are clearly visible.

When dry, the stinks work smoothly and without squeaks.

Silicone is added to the gum warehouse, which makes the brushes soft and springy, allowing you to withstand frost without problems.

The model has a rubber wear indicator, so you will know exactly when it’s time to add new brushes.

It is also important to note that the model has a universal fastening, which allows you to easily install the doors on a variety of cars.

resistance to frost;

universal fastening;

wear resistance.

Disadvantages: risk of tearing of metal fasteners due to deformation or wear of humic parts.

The average price for a set is 1200 rubles.

  • The base of the plate is very high, which completely includes the fabric of the frame and the fold.
  • Hybrid brushes
  • Hybrid brushes combine all the pluses of two front types.

Cons: prey to power in cold weather.

The average price is 900 rubles per set.

Prices for Heyner Hybrid Graphite:

2. Denso Hybrid Wiper Blade

The Japanese model of hybrid brushes is equipped with a special spring frame.

This allows a clean edge to fit snugly to the edge.

The working surface has a graphite coating and is a trivial term of service.

  • The body, made of stylish matte finish, reliably protects the frame from being hit by a saw or a saw.
  • This model shows high performance characteristics both in frosty weather and in the hot sun.
  • Its advantage is also good aerodynamics, which means a better fit to the skin.
  • Japanese company

Advantages:

trival term of service;

garna robot in whatever weather minds;

No shortcomings were found in the model.

The working surface has a graphite coating and is a trivial term of service.

  • The base of the plate is very high, which completely includes the fabric of the frame and the fold.
  • Prices for Denso Hybrid Wiper Blade:
  • In third place are hybrid brushes of the premium class Trico Hybrid.

The stench smells like a light scent and a quiet robot.

Structurally, the smells are very similar to the popular Denso Hybrid.

The model has a rubber wear indicator, so you will know exactly when it’s time to add new brushes.

The stock of rubber brushes contains Teflon.

It allows you to save all operational characteristics no matter the weather or season. aerodynamics; noiselessness. Small parts: unclear parts are often lost. The average price is 1400 rubles per set.

Visnovok

This rating

the finest models

  • squeegee brushes of different designs.
  • To make the right choice, first select the type of door, then select the model.

Having assessed all the criteria, you can choose the best price for yourself

When on the right you come to the selection of the finest squeegee brushes, there are words that you need to pay attention to.

In addition to the obvious fact, you need to know about the wear and tear of your car and whether it is suitable for the car of your model, choose summer or winter brushes that are also liable to overheat, so that the manufacturer will recommend it well Having respect for yourself, and the model of the brush has positive effects, and there are plenty of them to choose water.

Turn it down, but it’s brightness - it’s all the more important that you have to joke when buying the best squeegee cleaners.

And the axis of the storage system is the very low parameters and characteristics of the brushes, which require great attention.

And remember that driving without water, the door that runs on the side of the water, is prohibited by law in our region. Bosch ECO (26A ICON) - one of the quietest

Type: framed or frameless

Average market price

: total 280 rubles

Bosch has long established itself as a company of the highest quality, where it is not just the door openers that matter, but also any kind of tool, equipment and components (and a wide range of components).

Bosch is a company that took part in the production of the impersonality of miracle products.

So, if we first sensed that there was a stench from the squeegee brushes for cars, we were eager to check them out, because... why not!

The model, as we now see, is known as the ICA 26A throughout the world, and in Russia it is popularly called ECO.

And last but not least, we also realized that the robotic squeegee is very quiet at the time of its operation, which is very bad for people who are not suited to loud noise, but which is more powerful than most squeegees.

Valeo 900 series - simplest and universal


And remember that driving without water, the door that runs on the side of the water, is prohibited by law in our region.: frame or frameless.

Type: 480 rubles

Now we are truly amazed at the amazing wind turbine industry produced by a French company known as Valeo.

For those who don't know, Valeo is a company that has created one of the finest models of windshield wiper blades available on the market, but many people are often overlooked by the limited range of windshield wipers available. The series we currently see is the Valeo 900 series, which is one of the longest series

There are a variety of sizes on the market that will meet the needs of some of the waters - on the other hand, the selection of squeegee brushes of the same brand may turn out to be completely unnecessary, the stink is really Same for all cars, you just need to choose the correct size.

Valeo uses high-quality gum Tec3 for the production of these amazing doors, which allows you to increase the term of their service and ensure the absence of smudges when cleaning the windshield.

In addition to this, the cleaner is well separated from the supplied spoilers to ensure maximum integrity.

Valeo has also decided that their squeegee cleaners do not clean any sensitive metal parts, so it is easy to make squeegee cleaners that are strong enough to collect ice, snow or a saw.


And remember that driving without water, the door that runs on the side of the water, is prohibited by law in our region. Obviously, this approach ensures that productivity is not invariably tied to the entire term of the service.

Type Another wonderful thing about the Valeo 900 series squeegee cleaners is that they are even easier to install.

Trico Force - "the purest"

: frameless. : 760 rubles Trico Force is one of the best chip cleaners that we plan to review in our rating.

It is made from treated HighGlide rubber, which is why the squeegee brush is one of the most effective - this gum allows the squeegee brushes to easily roll along the wind surface, without causing any damage to the surface or causing damage no noise.

The entire squeegee is made from high-viscosity material and does not drain open water from the design, which means that nothing gets stuck in the middle of the structure and there is no problem with it.

These are what we find in most high-acidity scour cleaners, which are generally available on the market.

The vikoryst squeegee uses an innovative fastening method that minimizes the effort required for installation, thereby maximizing the effectiveness of fastening.


And remember that driving without water, the door that runs on the side of the water, is prohibited by law in our region. Michelin Stealth Hybrid - the best thought out

Type: frame.

: from 800 to 970 rubles

The next product in our rating of the finest squeegee brushes is Michelin Stealth Hybrid, and at a time when most people will be as hostile to them as they are to us, this product is based on what this squeegee truly lives up to its name.

Well, if you need a short confirmation, then this will be the case.

However, if you want to grow up and need the right fit, then know that the Michelin Stealth Hybrid is available in a variety of sizes (though not all widths), and is actually good for people who don’t want to struggle with the fit and fit suitable for your car .

You can simply search for the car brand in any online store and check it with the help of hand tools, such as those available on the product’s pages.

Now, crumbling in the distance, Michelin decided to save the birthmark in safety and simply decided to replace the rubber with a gum plant.

And, although some people can turn away from this, the good point here is that the gum is really the best material that can be found in the wake of the worst squeegees.


And remember that driving without water, the door that runs on the side of the water, is prohibited by law in our region. Another good word for the one who cleaned it up was disintegrated.

Type Michelin has redesigned the design to be as practical as possible and to be as curved as possible, suitable for any car.

And our rating of the best squeegee blades is completed by the Denso Hybrid Wiper door wipers, which leave behind a coupe positive vibes It is available to buyers (as compared to most of the ratings) in many auto stores.

The main advantage is the strengthening of the gum itself and the metal frame, which evenly rubs the gum.

As a result, the brush instantly delivers the pulp and is silent, otherwise, it is effective to clean both simple water and soap, without removing the scum, and other things and ice that have just begun to melt.

And this is, without question, a great plus for these brushes.

Frame or frameless brushes?

Now let's understand which doors are beautiful, framed or frameless.

The most common type of material that is used in doors is rubber, and since there is practically nothing else in the brush, it is easy and inexpensive from the manufacturer.

Please be aware that frameless door blades are cheap from the manufacturer and can be easily adjusted depending on the intensity of the vibration, frameless door brushes are often the first to go wrong.

Frame brushes are more expensive to prepare, but they have a whole structure, which in general gives a more positive result due to their efficiency and reliability.