1.When must workers use safety belts?
1.工人什么时候必须使用安全带？
2.When is eye protection required?
2.何时需要佩戴眼部防护装备？
3.What's first before removing a popcorn ceiling?
3.拆除爆米花天花板之前首先要做什么？
4.Door between garage and house must be:
4.车库与房屋之间的门必须：
5.What to do with excess materials after installation?
5.安装后剩余的材料应如何处理？
6.What must a contractor provide for prone electrical equipment?
6.承包商必须为易受干扰的电气设备提供什么？
7.Who authorizes turning on a gas line after inspection?
7.燃气管道检查后由谁授权开通？
8.What is one benefit of using mulch in landscaping?
8.使用覆盖物美化景观的好处是什么？
9.Minimum net clear openable area for egress windows?
9.出口窗的最小净可开启面积是多少？
10.When working on pre-1978 homes, contractors assume:
10.在 1978 年前建造的住宅中施工时，承包商应假定：
