Ключевые слова: angle, blade, business, car, circular, construction, craftsman, cut, disc, electric, engineering, equipment, factory, flash, grind, grinder, grinding, hand, industrial, industry, iron, job, light, machine, male, man, manual, manufacture, manufacturing, mechanic, metal, people, person, power, production, protection, safety, saw, sawing, spark, speed, steel, technical, technology, tool, welding, wheel, work, worker, workshop,