Ключевые слова: big, cement, construction, danger, dump, dust, earth, ecology, environment, equipment, excavator, geology, goa, granite, gravel, heavy, indonesia, industrial, iron, kapur, landscape, large, machine, machinery, madura, metal, mine, mineral, mining, nature, open, opencast, ore, pollution, production, quarry, rough, sky, stone, transportation, truck, vehicle, white, work, yava,