Ключевые слова: abstract, background, barrel, black, black gold, black oil, business, chemical, close up, crisis, crude, dark, design, diesel, dirty, droplet, energy, environment, environmental, exploration, flow, fossil, fuel, gasoline, generation, industrial, industry, liquid, machine, natural, nature, oil, oilfield, petroleum, pipeline, pollution, pouring, power, resource, technology, wave, well,