Ключевые слова: blade, circle, circular, construction, craftsman, cut, dark, disc, electric, electrical, engineering, equipment, factory, fire, flash, grind, grinder, hand, industrial, industry, iron, light, machine, man, manual, manufacture, manufacturing, mechanic, metal, power, production, protection, round, saw, sawing, spark, speed, steel, structure, technical, technology, tool, turning, welding, wheel, work, workshop, yellow,