HS code-driven customs risk scoring

List of contents of this article:

• 1,HS code-driven customs risk scoring What are the best ways to clean up car carbon?
• 2, How to clean up car carbon (I)
• 3 , Cleaning of these positions of cars, people who know cars do this
• 4, Chengdu Automobile Maintenance Store: What are the precautions for cleaning vehicles
• 5, ! There are also skills in car skin cleaning
• 6, How to clean up car engine dust

What are the best ways to clean up car carbon?

1. Car carbon accumulation treatment method. At present, there are only two ways to remove carbon accumulation in maintenance factories. One is to use the disassembly-free cleaning method that is not serious about carbon accumulation, which is cleaned by adding a special cleaning agent liquid. Second, if the carbon accumulation is serious, the method of removing the cylinder head to clean the valve and cylinder block should be adopted.

2. How to clean after carbon accumulation is generated? The best way to clean up car carbon accumulation. Commonly used methods are: disassembly and cleaning, bottle cleaning, and fuel additives.

3. ClearThe method of carbon accumulation is to clean the cylinder of the whole machine. In general automobile repair shops, the inside of the cylinder head can be cleaned and carbonised without disassembling the engine. Use fuel cleaners. The fuel cleaners bought at gas stations claim to be able to remove impurities in the oil line, and also contain carbon accumulation at the fuel injector.

4. In the usual use of cars, engine carbon accumulation is inevitable, so there are three better ways to remove carbon accumulation in cars: car lifting bottles: hang a bottle-shaped tool above the engine, and then pour the detergent into the bottled tool, and introduce it into the engine through the catheter to achieve the goal of cleaning carbon accumulation. Of.

How to clean up car carbon (I)

How to clean up car enginesCarbon accumulation, the treatment methods are as follows: First, add high-standard gasoline to rinse, because the high-standard gasoline added is relatively high-standard gasoline with a high octane number, and the combustion is complete and clean, and the possibility of forming carbon accumulation is relatively much lower. Through high-standard gasoline, the residual carbon accumulation can be effectively washed out.

How to clean after carbon accumulation is generated? The best way to clean up carbon accumulation in cars. Commonly used methods are: disassembly and cleaning, bottle cleaning, and fuel additives.

Engine cleaning agent Engine cleaning agent, commonly known as "hanging bottle", is mainly used to connect the engine cleaning agent to the fuel pipe, so that the cleaning agent acts as fuel and discharges the engine through dissolution combustion. The disadvantage is that this method is harmful to the ternary catalyst, and it is not recommended to use this method to remove carbon more than three times.

The best way to clean carbon accumulation is: the method is to add high-standard gasoline to rinse: because the gasoline with high-standard gasoline with high-standard gasoline has a higher octane value, and the combustion is complete and clean, the possibility of forming carbon accumulation is relatively much lower. Residual carbon accumulation can be effectively washed through high-standard gasoline.

Cleaning the carbon accumulation of the air intake system: buy a bottle of air intake system cleaner, pour it into the storage tank of the special cleaning equipment, connect it to the air intake system, and use vacuum to inhale the cleaner into the air intake road to achieve the cleaning purpose. Cleaning the carbon accumulation of the air intake system mainly refers to the carbon accumulation inside the cleaning intake duct, intake manifold, etc.

In the normal use of the car, it is inevitable that the engine will accumulate carbon, so there are three better ways to remove the carbon in the car: the car hangs the bottle: hang one above the engineBottle-shaped tools, and then pour the detergent into the bottled tool and introduce it into the engine through the duct to clean up the carbon.

Cleaning these positions of cars, people who know cars do this

Caving large The roof of most family cars is made of fabric, which is easy to absorb dust and grease, especially the seats where the main and co-drivers often sit.Although it looks quite clean in appearance, it is no exaggeration to describe that a large amount of dust will "gushed out" with a row of hands.

Car cleaning generally includes car body cleaning, interior cleaning, engine compartment cleaning, wheel hub cleaning, body waxing and polishing, interior care and in-car sterilization and disinfection. Car washing refers to the cleaning inside and outside the car, which is more meticulous and cleaner than traditional car washing.

In daily driving, you can often wipe the steering wheel with a wet tissue or use car cleaner to clean it, which has a good effect. Cleaning carpet mats, I don't know if you have heard such a sentence: the cleanliness of the carpet can often tell whether the car owner loves cleanliness! Because the carpet in the car itself is very clean.

One of the steps: clean up all the things in the car, including foot mats, seat covers and other debris, remember the location of the items, and return them to their original position after cleaning.Step 2: Clean up the control room. Wipe the dashboard and steering wheel clean with a soft towel.

Abstract: Car interior mainly refers to the car products used in the internal modification of the car, involving all aspects of the car interior, such as car steering wheel covers, car cushions, car foot mats, car perfumes, car pendants, interior ornaments, storage boxes, etc., which are all car interior products.

Chengdu Automobile Maintenance Store: What are the precautions for cleaning vehicles

Do not use water other than soft water for cleaning, including hot water, alkaline water and water with high hardness. Because these substances will damage the paint. Wash with hard water, and leave traces and film on the surface of the car body after drying. Do not use high-pressure water to rinse the cab of the sewage-absorbing vehicle.If the water pressure is too high, it will damage the paint of the car body.

When washing the car, it's best not to wash it at noon. If there are conditions, it is best to drive in a shady place, and dry it before driving, which is conducive to protecting the paint. Do not flush the engine compartment directly with a water gun, which will damage the metal structure of the car. Choose neutral car wash liquid.

Carefully remove some residual stains on the car body, which requires the use of descaling water. Note: When removing stains, wipe in the direction perpendicular to the car. Wipe dry the water from the car body. After removing the stains, clean all the car wash liquid with water.

The choice of car wash liquid. It has been reported that some irregular car wash shops use detergents such as washing spirits as car wash liquids to wash cars, which is the most harmful to the car paint.In fact, the choice of car wash liquid is very knowledgeable. You can't choose acidic and alkaline products. The most important thing is to choose neutral car wash liquid.

(1) Pay attention to safety and electricity, and use cleaning equipment and environmental protection and water-saving equipment correctly according to the operating procedures. ( 2) Use soft water when washing the car, and try to avoid using hot water. The coolant temperature is usually 30~40℃, alkaline water and hard water with more minerals. Wash the car body with hard water, and leave traces or film on the surface of the car body after drying.

Steps to clean the car body: After a long drive, the car body is easy to accumulate silt and sand, and there will be a lot of dust attached to it. After the long holiday, the first thing to do is to clean the outside of the car body and remove the dust, mud and other traces attached to the car paint, so as to avoid all kinds of dirt staying on the car body for a long time and damaging the paint surface.

! There are also skills in car epidermis cleaning

1. For stains such as bird droppings, we can use shell remover or beauty wax to clean them. Car paint stains are attached to the car, which is also a headache for the majority of car owners. We can remove the sludge on the car body for treatment, which can adsorb paint and remove rust stains without damaging the surface of the car body.

2, x0dx0a Secondly, how to deal with it, cars with asphalt can directly spray asphalt cleaner on the surface of the car paint and stop for about 10 seconds for the asphalt to dissolve and then wipe it with a towel. Oil stains and insect stains need to be cleaned by pushing the whole truck with the sludge removal block.

3. Banana water Banana water is commonly known as Tianna water, and the towelDip banana water and gently wipe it on the paint spot, which can be used to dilute the paint. It has a good effect on cleaning the paint spot. Finally, rinse it with water. However, banana water is toxic, volatile and has a certain degree of corrosive properties, which will have a corrosive effect on car paint, so special attention should be paid when using it.

4. Prepare a shellac cleaner, which is used for dirt attached to car glass. The main components are silt, dust, slum, scale residues produced by chelach, diesel combustion, light wax, insect remains, etc. 2 Shellac cleaner should be sprayed in some shellag places, wait for a few minutes, it can soften shelach, so that it can be more Easy to clean.

How to clean up the dust of the car engine

Wipe it with a towel and blow it with an air gun, so that there is almost no dust in the engine compartment.If the engine is dirty, it needs to be cleaned with a high-pressure water gun. Engine compartment cleaner can also be used. The harness joints of the engine have been waterproofed, but some vehicles may enter after flushing.

The commonly used methods are: disassembly and cleaning, bottle cleaning, and fuel additives.

That's waxing. After all the waxing is successful, the whole engine compartment cleaning process is over. In addition, for the cleaning of the engine, it is best to isolate some electrical equipment with plastic bags when cleaning. In addition, it is best to clean the engine once every six months, so that the engine can stay young forever.