Yantai Yazaki can wear short-sleeved work clothes to work, because the summer work clothes issued by the company are short-sleeved. The wearing of work clothes is related to work. Generally, you can wear short-sleeved overalls in assembly positions, but not in machining positions, such as lathe drilling machines. People can't wear short-sleeved overalls because they are easily injured by iron filings and flying objects. This is expressly stipulated in the factory, as long as it is a post wearing short-sleeved overalls, it must have nothing to do with machining.