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The Paper Spike is designed to deal with Kerbside Paper / Commingled collections and is placed after Screens to remove the remaining OCC from News and Pam. The principle is simple, but very effective. The material is fed in a single layer into the Paper Spike. The belt spikes then pierce the Paper and Cardboard. Then due to the various properties of rigidity, Paper immediately drop off the spoles, whereas cardboard stick onto the spikes and is transported to the end of the line, where they peel off and fall into a separate section.