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