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ISBN 10: 7502084940ISBN 13: 9787502084943
Seller: liu xing, Nanjing JiangSu, JS, China
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paperback. Condition: New. Paperback. Pub Date: 2020-12-01 Pages: 37 Language: Chinese Publisher: Emergency Management Press According to the three major injuries (falls from heights. collapses. and object strikes) accidents that have occurred in the construction industry in recent years. high places Falling accidents have a high incidence and great danger.?Fall accidents from heights are caused by high-altitude operations. Therefore. they can be simply classified according to the classification of high-altitude operat.