Szukana fraza: [Abstract = "A constant growth of the multimaterial waste production can be observed in the recent years. The multimaterial waste that contain aluminum are especially hard to process due to the fact that multiple layers of various materials are bonded permanently. Tetra\-Pak waste contain high amounts of paper \(approx. 70%\) and are usually processed in papermills in order to recover cellulose."]

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