Exam (elaborations)
Safety - California Contractors (Law and Business) Final Exam with Complete Solutions- Pass Guaranteed
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A ladder should extend a minimum of ___ above the top of a trench or excavation. A. 1 feet B. 2 feet C. 3 feet D. 4 feet - Answer-C. 3 feet Accordring to OSHA, shoring lumber shall be ___. A. #1 treated B. #2 treated C. select structural D. #3 common - Answer-C. select structural ...
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