ISBN: 9787512373297 - 高处安全作业 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2015-5-1 Pages: 100 Publisher: China Electric Power Press Power employee safety education and training materials high security operation in order to prevent the occurrence of high operating accident that workers in high places high operating quickly grasp operational skills. familiar with electrical safety work order of the request. prepared a special book. The main contents include: high operating basics; general safety requirements for high operating; t.…