Ключевые слова: assembly, build, connect, construction, craftsman, erecting, erection, fabricate, factory, fire, fitter, fix, flash, industrial, industry, job, join, labor, laborer, light, making, man, manufacture, mask, metal, operator, protection, repair, safety, skill, skilled, smoke, spark, steel, structure, technical, turner, welded, welder, welding, work, worker, workplace,