{HEAD ~ Such a machine} that is used to validate checks uses {TAIL ~ a stepper motor drive} to convey the check past the readhead 
uses
{ HEAD ~ Such a machine } that is used to validate checks uses { TAIL ~ a stepper motor drive } to convey the check past the readhead
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH