Ключевые слова: circle, circular, cnc, construction, cut, cutting, diamond, disc, drill, engineering, equipment, factory, flash, grind, grinder, hand, industrial, industry, iron, light, machine, machinery, man, manual, manufacture, manufacturing, mechanical, metal, metalwork, plasma, power, precision, process, production, protection, round, safety, saw, spark, spin, steel, technical, technology, tool, turning, welding, wheel, work, worker, workshop,