Ключевые слова: bright, collar, construction, cut, cutting, engineering, equipment, expertise, factory, fire, flame, flash, foundry, gas, glasses, glowing, hand, heat, helmet, hot, industrial, industry, iron, job, labor, light, liquid, machine, male, man, manufacturing, men at work, metal, metalwork, occupation, person, protection, repair, safety, skill, spark, steel, technology, tool, torch, weld, welder, welding, work, working,