Ключевые слова: acetylene, alternative, auto, automotive, black, blue, business, car, closeup, concept, construction, ecology, economy, empty, energy, equipment, fill, fuel, fueling, gas, gasoline, green, hand, high, horizontal, industry, isolated, light, liquefied, liquid, lpg, man, metal, motor, natural, nature, old, petrol, petroleum, power, pump, refuel, refueling, service, shop, station, tank, technician, technology, transport,