At 6:30 p.m. on September 28, the night university training for all staff began in the conference activity center. This training jointly learned the courses of safety code for work at heights and teaching of backwashing operation of water cooler in the form of video.
　　Video Course 1 describes the definition, requirements, preventive measures and safety precautions of work at heights. The second video course was shot and produced on site in the second hydrogenation workshop. Taking the backwashing of water cooler as the starting point, it introduces the operation steps, precautions and safety measures of Backwashing in detail. The two courses teach employees to strictly abide by the operation specifications, seriously implement various safety measures, and ensure the safe operation of various operations.