Ключевые слова: background, building, caucasian, chemical, construction, control, distillation, electricity, energy, engineer, engineering, equipment, facility, factory, fuel, gas, gasoline, greeting, handshake, helmet, industrial, industry, infrastructure, inspect, inspection, inspector, laptop, maintenance, male, man, manufacturing, oil, operator, people, petrochemical, petroleum, pipe, plant, pointing, portrait, power, professional, refinery, risk, safety, service, site, technician, technology, tower,