It is noted that a contact image sensor or {HEAD ~ a charge couple device} is typically employed for {TAIL ~ the reading device} 210 
is typically employed for
It is noted that a contact image sensor or { HEAD ~ a charge couple device } is typically employed for { TAIL ~ the reading device } 210
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH