first conduit means connecting said second end of said outer tube to said {HEAD ~ inlet} of {TAIL ~ said pump}, 
of
first conduit means connecting said second end of said outer tube to said { HEAD ~ inlet } of { TAIL ~ said pump } ,
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 OTH