Ключевые слова: background, black, concept, danger, dark, electric, electricity, electronic, equipment, eye, hard, helmet, industrial, industry, instrument, iron, job, light, manufacture, manufacturing, mask, metal, metallic, metalwork, new, object, occupation, plastic, professional, protection, protective, safety, security, shield, soldering, studio, technical, technology, tool, warm, wear, weld, welder, welding, wooden, work,