1.Which tool countersinks a nail?
1.哪种工具用于沉头钉？
2.Best tool for measuring odd angles in existing structures?
2.测量现有结构中奇数角度的最佳工具是什么？
3.How to safely handle an I-beam?
3.如何安全搬运工字梁？
4.What material separates a garage ceiling from a bedroom?
4.车库天花板和卧室之间用什么材料隔开？
5.When is bracing needed for a drywall wall?
5. 何时需要为石膏板墙设置支撑？
6.How to nail a stud to the sole plate?
6.如何将龙骨钉在底板上？
7.Why crown a piece of lumber?
7.为什么要给木材加顶？
8.Header for a 3’ wide exterior door?
8.3 英尺宽的外门过梁应选用哪种？
9.Max unsupported extension of a cantilevered beam?
9.悬臂梁的最大无支撑延伸是多少？
10.Strongest horizontal beam as a joist?
10.作为托梁时，最强的水平梁是哪种？
