Apparatus for processing documents by moving {HEAD ~ the documents} from an input hopper along a given path via advance means to a destination at {TAIL ~ a controlled rate}, and including: 
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Apparatus for processing documents by moving { HEAD ~ the documents } from an input hopper along a given path via advance means to a destination at { TAIL ~ a controlled rate } , and including :
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH