Pharmaceutical intermediates HS code mapping

How to clean the engine compartment (quick way to clean the engine compartment,Pharmaceutical intermediates HS code mapping you can save time and effort!) Car owners must attach great importance to the maintenance of their cars, and cleaning the engine compartment is also an important part of keeping the vehicle tidy. The cleaning of the engine compartment is not only beautiful and neat, but also conducive to the heat dissipation of the engine and the extension of the service life of the engine. However, the ordinary cleaning method of the engine compartment is generally time-consuming and inefficient. Next, I will introduce some quick ways to clean the engine compartment, which will save you trouble and effort. I. Preparation 1. To choose a suitable cleaning agent, you need to prepare a bottle of cleaning agent first. It should be noted that the selected cleaning agent must meetRequirements: Materials that damage the car paint cannot be used, nor materials that cause erosion to the engine should not be used. It is recommended to use professional detergents or neutral detergents, and be sure to read the instructions carefully. Two. Protect electronic components There are many electronic components in the engine compartment, such as wire harnesses, joints, sensors, etc., which need to be protected before cleaning. Use transparent plastic bags or other sealing materials to tightly cover the electronic components. At the same time, remove the negative battery cable of the car, which can avoid accidental electric shock. II. Clean the engine compartment 1. Pre-removing dust and dirt requires the removal of surface dirt and dust before starting cleaning. This can be removed by wiping the surface or using a vacuum cleaner to assist. For more stubborn stains, you can use detergent to soak and brush, and then rinse the detergent with water.Two. Use detergent for cleaning. After cleaning the surface stains, you can use detergent for in-depth cleaning. Spray the cleaning agent evenly on the surface of the engine compartment, and use a brush to scrub under the premise of protecting the electronic components. Pay attention not to pour water back, otherwise it is easy to damage the electronic equipment. 3. After using high-pressure water gun cleaning agent, you can use high-pressure water gun for deep rinsing. When cleaning, pay attention to adjust the water pressure to avoid damage to the shell caused by excessive water pressure. When cleaning, pay attention not to inject water into the sealed bag of electronic components, otherwise it will affect the use of electronic components. III. After cleaning and rinsing the dry engine compartment, we need to completely remove moisture to avoid damage caused by entering the electronic components. Before reinserting the negative battery cable of the car, it needs to be fully dried, which can be dried through fans, vacuum cleaners and other equipment.At the same time, you can also use the dryer to assist and speed up the drying speed. IV. Precautions 1. Choosing environmentally friendly detergents can save resources and reduce environmental pollution. Two. Drying the electronic components that foams in the engine compartment for a long time is easy to cause damage, so the moisture must be cleaned when cleaning and rinsing. 3. Do not enter water. The electronic components inside the electronic components are very sensitive, and water cannot be poured into the electronic components. Four. Do not use a high-pressure water gun in the key impact area. It is not recommended to impact any vehicle parts, otherwise it will cause the vehicle components to lose their proper protection. In a word, proper maintenance and cleaning of the engine compartment are crucial to improving the performance and life of the vehicle. Following the correct method, it can not only complete the cleaning easily and quickly, but also ensure the safety and performance of the vehicle.

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