a first reservoir containing said first component, said {HEAD ~ first reservoir} being in {TAIL ~ communication} with said first dispensing conduit 
in
a first reservoir containing said first component , said { HEAD ~ first reservoir } being in { TAIL ~ communication } with said first dispensing conduit
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH