1.What\'s the standard spacing for cripple studs around wall openings?
1.墙体洞口周围的短龙骨标准间距是多少？
2.What\'s a key benefit of finishing with a steel float?
2.使用钢抹刀进行精加工的主要好处是什么？
3.At what time should concrete blocks be wetted during installation?
3.安装混凝土砌块什么时候需要润湿？
4.What is the highest possible area that a 50-pound bag of thin-set mortar can cover?
4. 一袋 50 磅的瓷砖胶最大能覆盖多大面积？
5.Where is green board commonly used?
5.耐水石膏板通常用于何处？
6.What reduces sound transfer between rooms?
6.什么措施可减少房间之间的声音传递？
7.Which mortar type is obsolete in residential construction?
7.哪种砂浆类型在住宅建筑中已过时？
8.What is the minimum operable area required for an emergency escape window?
8. 逃生窗可开启部分的最小面积是多少？
9.Which feature applies to dry-set mortar?
9.哪个特性适用于干凝砂浆？
10.What is the proper depth for a nail to enter drywall?
10.钉子应该钉入石膏板多深？
