Ключевые слова: background, belgian, belgium, big, brussels, car, clean, cleaning, collection, construction, dump, earth, ecology, environment, equipment, europe, european, flag, garbage, ground, heavy, industrial, industry, large, machine, machinery, national, ore, patriotic, patriotism, quarry, recycling, refuse, road, rubbish, service, sky, street, symbol, tractor, transport, transportation, trash, truck, union, vehicle, wave, wheel, work, yellow,