Ключевые слова: backloader, bagger, big, browncoal, bucket, coal, conveyor, cultivator, destruction, digger, earth, electricity, energy, environmental, excavation, excavator, geology, germany, inden, industrial, industry, landscape, large, light, lignite, machine, machinery, mine, nature, oredeposit, plant, power, protection, quarry, rock, rwe, shovel, sunset, sustainable, tagebau, technology, trencher, wheel,