Ключевые слова: alps, artificial lake, bavaria, bulldozer, clear, collection basin, construction vehicle, construction work, dozer blade, drained, ebb, emptied, forggensee, front part, germany, heavy equipment, job, lake, maintenance work, natural event, nature, nobody, reservoir, rock, scree, season, sediment, sedimentary rocks, sign, tracked tractors, tracked vehicle, vehicle, water, work, yellow,