Ключевые слова: blade, board, building, circle, circular, construction, craft, craftsman, cut, cutting, danger, dirty, disc, electric, electrical, engineering, equipment, factory, furniture, grind, hand, industrial, industry, instrument, iron, job, machine, machinery, man, manual, manufacture, manufacturing, metal, part, power, production, protection, safety, saw, sawing, speed, steel, structure, technical, technology, tool, wheel, work, worker, workshop,