Ключевые слова: cheerful, design, electrical, electrician, electricity, engine, engineer, engineering, equipment, factory, happy, hard, hat, head, helmet, human, industrial, industry, interior, labor, laborer, male, man, mechanic, motors, nuclear, orange, overall, people, person, plant, portrait, posing, power, professional, pumps, repairer, repairing, repairman, safety, site, smile, steam, steel, technology, turbine, work, worker, young,