a distribution trunk tube connected to said pump outlet to receive pressurized exterminating liquid withdrawn from said {TAIL ~ reservoir} by {HEAD ~ said pump} 
a distribution trunk tube connected to said pump outlet to receive pressurized exterminating liquid withdrawn from said { TAIL ~ reservoir } by { HEAD ~ said pump }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