Ключевые слова: artisans, board, books, cabinet makers protection, carpenter, carpentry, caucasian, circular saws, craft, crafts, craftsmen, cut, ear, ear safety, electricity, glasses, hand, human, i saw men, in the workplace, in the workshop, men, muff saw, occupation, oriental, people, people china, protection, safety, saw, table saw, tool, wood, wood shop, worker, working, workman,