{HEAD ~ a positive displacement pump} located below said containers and having {TAIL ~ an inlet} and an outlet, the outlet being connected to a nozzle; and 
having
{ HEAD ~ a positive displacement pump } located below said containers and having { TAIL ~ an inlet } and an outlet , the outlet being connected to a nozzle ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH