mountains, gravel, conveyer belt, gravel pit, materials-handling technology,
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Keywords: abbbau, baggersee, belt, building, close, construction, conveyer, durchgesiebt, gesiebt, grained, granulation, gravel, heap, industry, kiesgewinnung, kieswerk, location, material, materials-handling, mining, mountain, mountains, outdoors, pile, pit, rock, sand, sandberg, sandgewinnung, sands, shot, silicic, stones, straenbau, technology, zuschlagstoffe