Ключевые слова: construction, craftsman, engineering, equipment, fabrication, factory, flash, gas, horizontal, hot, industrial, industry, iron, keywords blue, labor, laborer, light, man, manual, manufacture, manufacturing, mask, metal, metal texture, metalwork, occupation, one, orange, person, protection, safety, skill, skilled, spark, steel, technology, tool, torch, weld, welder, welding, worker, working,