Ключевые слова: art, bottle, broken, canister, color, colorful, container, contour, cylinder, diesel, dollar, drop, energy, engine, equipment, exchange, flammable, fuel, gallon, gas, gasoline, gauge, icon, illustration, increase, isolated, line, linear, liquid, money, motor, oil, outline, petrol, petroleum, pipe, pipeline, plumbing, pop, popart, price, propane, pump, service, set, station, tank, test,