Ключевые слова: 3d, aqueduct, cargo, chemical, conduit, construction, delivering, delivery, desert, duct, energy, engineering, equipment, factory, fossil, fuel, fueling, gas, gasoline, illustration, industrial, industry, line, main, metal, oil, petrol, petroleum, pipe, pipeline, pipes, production, rendering, resources, sky, steel, technology, transmission, transport, tube, water,