Ключевые слова: business, change, company, construction, craftsman, engineering, equipment, fabricate, facilities, factory, fire, flash, glove, glow, grinder, hand, heat, industrial, industry, iron, job, light, machine, manufacturing, mask, metal, metalwork, occupation, office, production, protection, repairing, safety, shop, skilled, smoke, spark, sparkle, steel, team, technology, tool, welder, welding, work, worker, working,