{HEAD ~ Each worm gear} selectively moves {TAIL ~ a rack} which is an engagement with a postage print wheel so as to provide rotational movement to the print wheel 
selectively moves
{ HEAD ~ Each worm gear } selectively moves { TAIL ~ a rack } which is an engagement with a postage print wheel so as to provide rotational movement to the print wheel
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH