{HEAD ~ An additive material} may be initially stored in the dispensing structure above the membrane and can be combined with {TAIL ~ the product} in the container after the membrane has been severed 
{ HEAD ~ An additive material } may be initially stored in the dispensing structure above the membrane and can be combined with { TAIL ~ the product } in the container after the membrane has been severed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH