Ключевые слова: art, bottle, broken, canister, cloud, co2, color, colorful, container, contour, dashboard, diesel, dioxide, dollar, drop, engine, factory, flask, fuel, gallon, gas, gauge, icon, illustration, increase, industry, isolated, line, linear, liquid, meter, motor, oil, outline, petrol, pipeline, plastic, plumbing, pop, popart, price, repair, service, set, sign, symbol, tank,