Ключевые слова: 3d, art, background, barrel, business, chemical, color, colorful, concept, container, contour, convert, crude, design, diesel, dollar, drum, energy, exchange, finance, financial, flat, fossil, fuel, gallon, gas, gasoline, gradient, icon, illustration, industrial, industry, isolated, isometric, line, linear, lineart, money, oil, outline, petrol, petroleum, pollution, power, price, sign, symbol, tank, transfer,