Ключевые слова: background, black, broken, building, business, cloud, co2, concept, construction, derrick, dioxide, drilling, emission, energy, equipment, exhaust, exploration, factory, fire, flame, fuel, gas, gasoline, hat, icon, illustration, industrial, industry, isolated, jack, oil, petroleum, pipe, plastic, platform, plumbing, power, protection, pump, rig, safety, sea, set, silver, symbol, tower, work,