Ключевые слова: background, blade, circle, circular, construction, cut, cutting, diamond, die, disc, disk, drill, electric, engineering, equipment, factory, grind, grinder, grinders, grinding, hand, hands, industrial, industry, iron, light, machine, manual, manufacturing, mechanic, metal, part, power, protection, round, safety, saw, sawing, spark, speed, steel, technology, tool, tools, turning, welding, wheel, work, worker, workshop,