{HEAD ~ The membrane} is sealed to {TAIL ~ the spigot} on an outer face of the spigot which is configured so that the membrane will be clamped in position during piercing of the membrane by a cutter 
is sealed to
{ HEAD ~ The membrane } is sealed to { TAIL ~ the spigot } on an outer face of the spigot which is configured so that the membrane will be clamped in position during piercing of the membrane by a cutter
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH