Ключевые слова: arc, argon, arm, assembly, automate, automated, automation, automobile, closeup, construction, electronics, engineering, equipment, factory, flame, futuristic, gas, gas welding, industrial, industry, iron, job, machine, maintenance, man, manufacture, manufacturing, mask, metal, metalwork, modern, production, protection, safety, spark, steel, technical, technology, torch, transportation, weld, welder, welders, welding, welding rod, weldings, work, worker, workplace, workshop,