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Excavation work in the construction industry involves digging, trenching, and earth removal, which can pose serious safety hazards to workers. One of the primary hazards is cave-ins or collapses of trenches and excavated walls, which can trap or crush workers. This risk increases with deeper excavations, loose soil, or heavy rain. Another hazard is falling loads or materials from the edges of ______ ___ _____ _______ _____ __________ _______ ___ _____ _______ ______ ___.
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