Ключевые слова: blue, boring, collar, construct, craft, drilling, employment, engine, equipment, expertise, factory, flash, gear, gloves, grinder, grinding, hand, helmet, inc, industrial, industry, machine, man workshop, manual, manufacturing, mask, measure, metal, people, person, process, protection, protective, ruler, safety, saw iron, skill, spinning, stainless, steel, technician, technology, threading, tool, turning, welder, welding, work, worker,