Ключевые слова: blade, caution, company, construction, control, cut, detail, device, disc, electric, engine, engineering, equipment, fabric, factory, flash, grinder, grinding, hand, heavy, industrial, industry, iron, light, machine, manual, manufacture, manufacturing, mechanical, metal, operator, pipe, power, processing, production, protection, safety, skill, spark, steel, tech, technical, technology, tool, utility, welding, wheel, work, worker, workshop,