Ключевые слова: angle, blade, circle, circular, concrete, construction, craft, craftsman, cut, cutter, cutting, danger, disc, disk, electric, engineering, equipment, factory, grinder, grinding, hand, heat, holding, industrial, industry, instrument, iron, job, laborer, machine, man, manual, manufacture, manufacturing, mechanic, metal, power, protective, repair, saw, steel, stone, structure, technical, technology, tool, wheel, work, worker, workshop,