| http://www.w3.org/ns/prov#value | - This hold-down strip is positioned above the workpieces being transported on the carrier plate but suf- 3 ficiently closeto them to prevent one workpiece mounting upon the one ahead in the event that movement of the latter is checked or stopped by cuttings or other foreign matter becoming wedged between the workpiece and one side of the helical guide,-or if the carrier disc should become filled an
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