Ключевые слова: blue, bright, construction, craftsman, craftsmanship, engineering, equipment, factory, flash, gas, hand, heat, hot, industrial, industry, iron, job, labor, laborer, light, man, manufacture, manufacturing, mask, metal, metalwork, mig, occupation, precision, protection, safety, skill, skilled, spark, steel, structure, technology, tig, tool, torch, weld, welded, welder, welding, work, worker, working, workplace,