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