Ключевые слова: blade, circle, construction, cut, die, disc, diy, drill, electric, engineering, equipment, flash, grind, grinder, grinding, hand, industrial, industry, job, labor, labour, machine, manual, mechanic, mechanical, metal, power, precision, process, production, repair, rotate, round, safety, saw, skill, spark, speed, spin, steel, technical, technology, tool, treatment, turning, wheel, work, worker, workshop,