The dry foaming worker is very tired, and the foaming worker is responsible for the foaming process of the container body. Usually, factories carry out production work according to customers' orders, so if they receive a large number of orders, they may often need to work overtime to catch up with the goods, which will make them very tired. The foaming worker is the operator of the foaming machine. His job is to inject foaming materials into various molds with equipment. He is very familiar with the parameters such as the injection amount of equipment and the proportion of materials used, and investigates some minor problems of the equipment.