Ключевые слова: arc, assembly, build, construction, craftsman, dark, engineering, equipment, fabrication, factory, fire, flame, flash, gas, helmet, hot, industrial, industry, iron, job, labor, laborer, light, man, manufacture, manufacturing, mask, metal, metalwork, occupation, production, protection, repair, safety, skill, skilled, smoke, spark, steel, structure, technical, technology, tool, trained, weld, welder, welding, work, worker, workplace,