Fasten the purlin with 16d common nails into each vertical rafter. Insert two equally spaced nails into the rafter. The rafters are generally spaced every 16 inches on center. Is purlin a compression member? Metal Purlins as compression members in roof bracing system. How do I support my roof...
A.water B.to water C.are watered 二、根据句意及首字母提示完成单词 1.I have bought a small pair of s___to cut my nails. 2.She is a l___child and popular with everyone. 3.I have to ___(完成)my homework today. 4.I can’t play outside in this ___(热). 5.Which art___...
What are Wire Nails? What is a Drywall Nail? Discussion Comments Byanon301773— On Nov 05, 2012 The purpose of the small notches on the shank, just under the head, mark the nail in reference to the direction of the flat side of the point--the carpenter can feel the notches and know...