Ключевые слова: blade, circle, circular, construction, cut, cutting, diamond, disc, disk, electric, engineering, equipment, factory, flash, grind, grinder, grinding, hand, industrial, industry, iron, light, machine, man, manual, manufacture, manufacturing, mechanic, metal, part, power, production, protection, round, safety, saw, spark, speed, spin, steel, technical, technology, tool, tools, treatment, welding, wheel, work, worker, workshop,