As illustrated, squeegee 23 contains {HEAD ~ a flexible rubber blade} 25 having {TAIL ~ a straight edge} 
having
As illustrated , squeegee 23 contains { HEAD ~ a flexible rubber blade } 25 having { TAIL ~ a straight edge }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL