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Construction Safety: Trenching and Excavation Safety
7:29
YouTubeNAHBTV
Construction Safety: Trenching and Excavation Safety
Working in trenches and excavations is among the most hazardous construction operations and trench cave ins or collapse pose a serious threat to workers lives. More valuable job site safety tips at http://nahb.org/safety. #SAFETY365
已浏览 19.8万 次2020年9月28日
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