Ключевые слова: arc, argon, concept, construction, danger, engineering, equipment, factory, fire, flash, framework, gas, gloves, helmet, hot, industrial, industry, iron, job, light, maintenance, make, man, manufacture, manufacturing, mask, metal, metallic, production, protection, protective, repair, rolled, safety, shield, spark, steel, technical, technology, tool, weld, welder, welding, work, worker,