Ключевые слова: blade, burning, circular, cut, cutting, disc, disk, engineering, equipment, factory, grind, grinder, grinding, hand, heat, industrial, industry, iron, light, machine, machinery, manual, manufacture, manufacturing, mechanic, metal, part, power, production, rotate, round, saw, sharp, sparklet, sparks, steel, technical, technology, tool, turning, wheel, work, worker, working, workshop,