{HEAD ~ An ampule} is molded with {TAIL ~ an enlarged nozzle} and a separate orifice is installed in the ampule to provide the desired nozzle opening 
{ HEAD ~ An ampule } is molded with { TAIL ~ an enlarged nozzle } and a separate orifice is installed in the ampule to provide the desired nozzle opening
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH