How to identify the water tanker
Many parts of the rainy season are flooded, and vehicles parked on the road will surely be immersed in water. Once the blisters are over, all aspects of the vehicle will be greatly affected. However, it would be a pity to scrap the sewers directly. Some people will regret it. Simply arrange the bubble car and sell it as a used car. If you do not know how to identify the water tanker, it is very easy to buy a bubble truck, then, how to identify the water tanker? 1, electronic equipment. It's harder for the vehicle's electronic equipment to be repaired once it gets into the water. Even repairs may leave hidden dangers. The failure of the electronic equipment of the swill car will be obvious, unless the vehicle's electronic equipment is replaced, otherwise it will be found. 2, odor. After the vehicle has been immersed in water, it will certainly emit odor. Even if it is sun-dried, it will still have a certain musty smell. If the car smells obvious when buying a vehicle, it may have to pay special attention to the fact that it may exist to conceal odors. 3, water stains. The swill car will be in the water all over the body. Even if it is dried after being picked up, internal parts may still have water stains. Special care must be taken to check such parts as seat belts. 4, the query claims records, most car owners if the car was soaked in the insurance company will apply for a claim, as long as the claim has been applied to leave a trace, there must be a claim record exists. Of course, it does not rule out the falsification of claim records. 5. Chassis. Many parts of the chassis are made of metal, and rust may occur after contact with water. In particular, exhaust pipes, screws, transmission cases, etc. are prone to corrosion, and they must be carefully checked. 6, car lights. The bubble car's headlights will not be used and must be replaced. If it is found that the vehicle's headlights are new and not the original headlights, we must keep an eye on it, especially the fog lights. It is not easy to damage, and the inexplicable replacement will be justified. 7, see the dead. There are many dead spots inside the car. Even if these dead spots are cleaned, it is difficult to clean up all kinds of stains, dirt, and mud. Industrial Double Needle Sewing Machine
Double Needle Sewing Machine and single needle are mainly used for sewing clothes. Difference between double needle and Single Needle Sewing Machine:
Single needle sewing machine is also called flat bed sewing machine. Double needle sewing machine with only one track line at a time, which has two uniform tracks at a time.
Double needle sewing machine, as the name implies, has two stitches of sewing machine, the effect is double thread parallel sewing. There are less double stitches in a pair of trousers than in flat bed single needle. Therefore, in the workshop, the matching of flat bed single needle and double needle is about 5:1, but it is also necessary.
Although flat cars can sometimes replace double needles, no one will be stupid enough to do double needle work with flat bed in mass production, unless it is a small amount of production. Double needle is efficient and double threads are parallel and neat.
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