NCCER module 1 Exam Questions and answers
NCCER module 1 Exam Questions and answers Cross-bracing - Braces (metal or wood) placed diagonally from the bottom of one rail to the top of another rail that add support to a structure. excavation - Any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth. It can be made for anything from basements to highways. guarded - Enclosed, fenced, covered, or otherwise protected by barriers, rails, covers, or platforms to prevent dangerous contact. hand line - A line attached to a tool or object so a worker can pull it up after climbing a ladder or scaffold.
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nccer module 1 exam questions and answers