1.Which substance is most toxic?
1.哪种物质毒性最强？
2.What hazards do safety shoes protect against?
2.安全鞋可以预防哪些危险？
3.Are leather-soled shoes recommended for roof work?
3.屋顶作业是否推荐穿皮底鞋？
4.Which is least likely a crane safety rule?
4.下列哪项最不可能是起重机安全规则？
5.What PPE is required during demolition?
5.拆除过程中需要哪些个人防护装备？
6.What gloves are appropriate for welding?
6.焊接时适合戴什么手套？
7.What is critical for a 6’-deep trench workers enter?
7.工人进入 6 英尺深的沟槽时，关键安全措施是什么？
8.Which material is unsuitable for a skylight?
8.哪种材料不适合做天窗？
9.What action is required upon finding burial artifacts while digging?
9.挖掘时发现随葬品需要做什么？
10.What do rubber-soled shoes protect against?
10.橡胶底鞋可以预防什么？
