Ключевые слова: arc welding, arms, blue, bright, closeup, construction, craft, danger, dark, electric, electricity, engineering, equipment, fire, flame, hands, hazard, heat, indoors, industrial, industry, iron, job, light, manual labor, manufacturing, metal, orange, power, professional, protection, repair, safety, skill, smoke, sparks, steel, technician, tool, welder, welding, worker,