foundation trench shall heap of soil. Yes\r2. a construction site for the construction of the main\rscaffolding outside without hanging fine mesh safety net, the\rwind is very big, Zhang from downstairs after, suddenly from\rthe five floor of the edge of the floor from a l m long 4 cm\r* 6 cm square, just hit the head Zhang (not wearing helmets),\rthe the hospital died.\rA strong wind blew off the wind too. Is mainly caused by wood..\rWrong\rTwo. The scaffolding outside according to the specified hanging\rhead safety net. Yes\rThree.\rZhang illegal not wearing a safety helmet. Yes\rFour. Breach of material in high altitude operation shall be\rstacked smooth provisions. Yes
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