| http://www.w3.org/ns/prov#value | - Naturally a plurality of rolls similar to the rolls 22 may be arranged in a series to provide a plurality of transverse compacting stagesl Transverse compacting roll 22 will in general be driven so that its exterior surface travels at a speed greater than that of the immediately preceding roll, such as the roll 10 or the roll 12, and the guide means 24 can either be somewhat curved as indicated in
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