Ключевые слова: 3d, blue, business, cargo, cistern, container, contour, dashboard, dollar, drop, energy, factory, finance, fuel, gas, gasoline, gauge, icon, illustration, industrial, industry, isolated, isometric, line, linear, market, money, oil, outline, petrol, petroleum, power, price, rail, railroad, railway, refinery, set, square, steel, storage, symbol, tank, tanker, train, transport, transportation,