Ключевые слова: building, business, chemical, construction, energy, engineer, engineering, equipment, factory, fuel, gas, gasoline, hardhat, heavy, helmet, industrial, industry, innovation, job, local, machinery, maker, male, man, manufacture, manufacturing, modern, occupation, oil, people, petroleum, pipeline, plant, portrait, power, process, production, professional, protection, quality, safety, steel, storage, team, technician, technology, uniform, work, worker,