Ключевые слова: asian, caucasian, cheerful, computer, concept, confident, development, display, engineer, engineering, equipment, facility, factory, happy, hardhat, heavy, helmet, holding, industrial, industry, inspect, instructions, job, laptop, learning, machine, machinery, maintenance, man, manufacturing, mechanic, metalwork, occupation, people, person, plant, professional, safety, service, site, smile, standing, steel, teamwork, technician, technology, two, work, worker, workman,