a distribution trunk tube connected to said pump outlet to receive pressurized exterminating liquid withdrawn from said {HEAD ~ reservoir} by {TAIL ~ said pump} 
by
a distribution trunk tube connected to said pump outlet to receive pressurized exterminating liquid withdrawn from said { HEAD ~ reservoir } by { TAIL ~ said pump }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL