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beating engine, beating machine noun a container with a heavy roll with steel knives attached, which turns against a bedplate, which also has knives fixed on it, and chops up the pulp as it passes through

COMMENT: Wood pulp is beaten to make it finer and more suitable for papermaking; it also makes it less opaque. If it is beaten for a long time, it produces semi-transparent paper such as tracing paper. During beating, china clay or other loadings can be added to make the paper more opaque.



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Other Terms : alphanumeric keyboard | running sheet | crease
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