It is yet another object of {HEAD ~ this invention} to provide {TAIL ~ a pressure pump} to assist in dislodging the blockage at the drain 
to provide
It is yet another object of { HEAD ~ this invention } to provide { TAIL ~ a pressure pump } to assist in dislodging the blockage at the drain
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH