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