Ключевые слова: beaker, black, canister, cargo, chemical, chemistry, diesel, discovery, drop, energy, engineering, equipment, experiment, fuel, gallon, gas, gasoline, icon, illustration, industrial, industry, isolated, liquid, lpg, motor, ndustry, oil, petrol, petroleum, pipe, pipeline, pressure, pump, railway, service, set, station, tank, technology, test, transportation, tube, vehicle, water, white, word,