Ключевые слова: black, coal, construction, destruction, digging, dirt, dust, earthmoving, ecology, energy, engineering, enormous, environment, environmental, equipment, excavation, excavator, exploitation, factory, fossil, fuel, garbage, germany, giant, gigantic, global, ground, heavy, industrial, industry, large, lignite, loader, machine, metal, mine, nature, openpit, overweight, pollution, power, scoop, technology, utility, vehicle, warming, wheel, work,