Ключевые слова: alternative energy, boiler, building, coal, consumption, distribution, electricity, energy, equipment, factory, flashlight, fuel, gas, generation, green energy, hard hat, heat, industrial worker, industry, inspection, iron, light, machinery, maintenance, manufacturing, metal, oil, pipe, plant, power, pressure, protective gear, renewable energy, repair, safety, steel, structure, sustainable energy, temperature, valve, work,