Ключевые слова: abstract, adult, background, board, brown, building, buzz saw, carpenter, carpentry, caucasian, circle, circular, construction, contractor, craft, craftsman, cut, danger, ear protection, electric, equipment, furniture, hand, improvement, indoors, industry, machine, machinery, man, metal, occupation, people, person, plank, power, protective, residential, safety, saw, sawing, steel, table, table saw, tool, wood, work, worker, working, workplace safety, workshop,