Ключевые слова: accident, background, black, business, construction, derrick, design, drilling, energy, environment, exploration, fire, flame, fuel, gas, gasoline, gold, golden, icon, illustration, industrial, industry, isolated, long, mining, natural, number, oil, petrol, petroleum, platform, pollution, power, production, pump, refinery, resource, rig, shadow, sign, silhouette, silver, single, symbol, technology, tower,