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Other Paper Pulp Preparers |
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73390 |
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This group includes paper pulp prepares not classified elsewhere, for example those mainly occupied in operating machines which cut rags to size for cooking, bleaching or defibring prior to making pulp; screening pulp stock, pumped from digester, to separate coarse fibres from pulp; operating machines which eliminate surplus water and impurities from fibrous material prior to beating; operating machines which refine pulp by brushing out knots and shortening fibres. |
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