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