The master said that tomorrow is going to buy slack adjuster, because the car arrived may need to use slack adjuster we do not shop, in fact, I still do not know, but follow the master to learn the car is fast two months, still feel to learn a lot of things, this time to buy slack adjuster words is also a master give me a lot of knowledge, but I will not understand, slack adjuster words in our shop although there are, but is because the car is different, so have to buy the right, although it is very hard, but in fact it is to live here, if not seriously learn a few years so, is impossible to learn all the technology.