Ключевые слова: art, canister, color, colorful, contour, cylinder, dashboard, diesel, drilling, drop, energy, equipment, flammable, fuel, gallon, gas, gasoline, gauge, icon, industrial, industry, isolated, jack, line, linear, liquid, motor, ndustry, oil, outline, petrol, petroleum, pipe, pipeline, platform, pop, popart, pressure, propane, pump, sea, set, station, storage, symbol, tank, test, tube,