The handle unit 1, wherein {HEAD ~ the handle body} is molded in a single piece by {TAIL ~ the injection molding process} 
is molded by
The handle unit 1 , wherein { HEAD ~ the handle body } is molded in a single piece by { TAIL ~ the injection molding process }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL