Szukana fraza: [Abstract = "Several artificial water reservoirs are located within the area of Szczecin municipality. The small streams are flowed through them. These water reservoirs need periodically cleaning of the bottom and substantial amounts of bottom sediments are collected during this process. Deposition and utilization of such material create of significant problems. The bottom sediments from two of such reservoirs named Syrenie Stawy were sampled for laboratory examination."]

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