1.What is the maximum allowable slope for a finished shower floor?
1. 完工淋浴地板的最大坡度是多少？
2.What is the minimum ceiling height required for a hallway in a residential building?
2.住宅走廊的最小天花板高度是多少？
3.Why might a new toilet not flush (line and tank work)?
3.新马桶无法冲水（管道和水箱正常工作）的可能原因是什么？
4.Purpose of shims in construction?
4.垫片在建筑中的用途是什么？
5.Ideal PH level for most plants?
5.大多数植物的理想 PH 值是多少？
6.Key benefit of planting evergreen trees?
6.种植常青树的主要好处是什么？
7.First consideration for residential sprinkler design?
7.住宅喷灌系统设计的首要考虑因素是什么？
8.What kind of brush should be used with latex paint?
8.使用乳胶漆应该选用哪种刷子？
9.Why is stone floor installation harder than carpet?
9.为什么石材地板安装比地毯更困难？
10.Direct glue-down carpet installation means:
10.直接胶粘地毯安装方式：
