Also, the superfinishing wheel superfinishes the object portions which have been ground by {TAIL ~ means} of the grinding wheel, while moving after the first wheel head toward {HEAD ~ the home position} of the first wheel head 
Also , the superfinishing wheel superfinishes the object portions which have been ground by { TAIL ~ means } of the grinding wheel , while moving after the first wheel head toward { HEAD ~ the home position } of the first wheel head
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH