Ключевые слова: adult, background, blade, board, building, carpenter, carpentry, circle, circular, construction, craft, craftsman, cut, cutting, danger, electric, equipment, hand, home, house, improvement, industrial, industry, lumber, machine, machinery, man, manual, metal, occupation, people, plank, power, rotary, safety, saw, sawing, sharp, steel, technology, timber, tool, wood, wooden, woodwork, woodworking, work, workbench, worker, workshop,