Ключевые слова: agriculture, big, blue, bottles, bulldozer, business, collection, construction, dirt, dispose, dump, ecological, energy icon, energy saving, equipment, factory, garbage, garbage collection, garbage truck, green energy, heavy, industrial, industry, loader, machine, machinery, material, old, plastic, recycle, refuse derived fuel, renewable, reuse recycle, road, save earth, save energy, sky, summer, tractor, transport, transportation, truck, vehicle, wheel, word, work,