In this latter there is provided a cup coaxial with the connection channel and with {TAIL ~ its concavity} facing the blister in {HEAD ~ the piercing position} 
In this latter there is provided a cup coaxial with the connection channel and with { TAIL ~ its concavity } facing the blister in { HEAD ~ the piercing position }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD