亚洲欧美精品一区_亚洲无码黄在线播放_无码专区中文字幕人妻系列_9久9久热精品视频在线观看

General safety requirements for heat treatment operation

Release date: July 31, 2014 reading times: 45

1）Before operation, first of all, be familiar with the heat treatment process and the equipment to be used.

2）During operation, necessary protective articles must be worn, such as work clothes, gloves, protective glasses, etc.

3) Between the heating equipment and the cooling equipment, there shall be no objects that hinder the operation.