The membrane may be broken through {HEAD ~ an activator} on {TAIL ~ the closure}, such as a depressible member or a rotatable carrier, causing the sample holder to break through the membrane 
on
The membrane may be broken through { HEAD ~ an activator } on { TAIL ~ the closure } , such as a depressible member or a rotatable carrier , causing the sample holder to break through the membrane
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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