Ключевые слова: blade, circle, circular, construction, cut, diamond, disc, disk, drill, electric, engineering, equipment, factory, flash, grind, grinder, hand, industrial, industry, iron, labor, labour, light, machine, manufacture, manufacturing, mechanic, metal, power, power tool, production, protection, rotate, round, safety, saw, sawing, spark, speed, spin, steel, technical, technology, tool, welding, wheel, work, worker, workshop,