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