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Roofing Practice Exam #1 Questions And Answers Already Graded A+
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_____ provides a hidden method of anchorage to avoid the exposure of mechanical fasteners (NRCA: Architectural Metal Flashing - 36, 1.5) a. flat seam clip b. slip joint c. caulk joint d. cleat - cleat A construction site averages 165 employees per day. How many portable toilets are required t...
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