Purification Technology Edition Security Question [017]
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This post was last edited by hai8487 on 2017-7-27 at 15:01. It is prohibited to have excessive numbers of people gathered on scaffolds and scaffold planks, or to place materials that exceed the calculated load capacity. ( ) √ “My Technical Upgrades in the Coal Chemical Industry” in 2017 (generous rewards available) http://bbs.hcbbs.com/thread-1786290-1-1.html
Correct: It is prohibited to have excessive numbers of people gathered on scaffolds and scaffold planks, or to place materials that exceed the calculated load capacity. (V)
It is prohibited to have an excessive number of people gathered on scaffolds and scaffold planks, or to place materials that exceed the calculated load capacity. (v)