The pump includes {HEAD ~ a pump body} having {TAIL ~ a plurality} of cylinders therein, each provided with an inlet and an outlet 
The pump includes { HEAD ~ a pump body } having { TAIL ~ a plurality } of cylinders therein , each provided with an inlet and an outlet
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH