Ключевые слова: blade, circle, constructing, cut, detail, disk, electrical, equipment, fabricate, factory, fiber, fire, fitter, flash, flex, grinding, hand, heavy, hot, industrial, industry, iron, job, labor, light, machine, manufacturing, mechanical, metal, orange, overall, person, pipe, power, production, protection, repairing, rod, safety, saw, spark, steel, technical, tool, welding, worker,