Ключевые слова: atom, background, barrel, black, car, care, concept, design, drop, eco, electric, electricity, energy, factory, fuel, gas, gasoline, icon, illustration, industrial, industry, line, material, nuclear, oil, outline, perfect, petrol, petroleum, pictogram, pixel, pollution, power, production, pump, refinery, set, sign, solar, station, symbol, tank, tanker, technology, thin, transportation, warming, water, web,