1.As per the California Residential Code what\'s the lowest grade of lumber allowed for studs?
1.根据加州住宅规范，用于制作立柱的最低木材等级是多少？
2.On a 32/16 APA-rated plywood panel what does the second number represent?
2.在标有 32/16 的 APA 胶合板上，右侧数字代表什么？
3.Which tool is suitable for cutting straight across the wood grain?
3.哪种工具适合垂直切割木纹？
4.When framing a window\'s rough opening how much space is typically left for the window frame?
4.在构建窗户的毛坯开口时，通常为窗框留出多少空间？
5.Under what condition can floor joists spaced more than 16" o.c. rest on a wall with studs at 24" o.c.?
5.在什么情况下，间距超过 16 英寸的楼板托梁可以放置在间距为 24 英寸的墙柱上？
6.What is the maximum allowable height for a 2×6 nonbearing wall stud without intermediate lateral bracing?
6.没有中间横向支撑时，2×6 非承重墙木柱的最大允许高度是多少？
7.What information is stamped on graded lumber?
7.木材等级标记上有哪些信息？
8.Under what condition must studs be doubled?
8.在什么情况下需要对墙柱进行加倍？
9.What\'s the best way to nail a continuous header to the studs?
9.将连续顶梁钉在立柱上的最佳方法是什么？
10.For a 3-room addition using 2×6 load-bearing studs what\'s the maximum notch depth allowed per code?
10.客户要求加建 3 个房间，采用 2×6 承重墙柱，根据规范，墙柱允许的最大切口深度是多少？
