In {TAIL ~ one configuration}, {HEAD ~ the sample holder} may be rotatable with respect to the closure to maintain the sample holder in a substantially stationary position within the first chamber during engagement of the closure with the housing 
In
In { TAIL ~ one configuration } , { HEAD ~ the sample holder } may be rotatable with respect to the closure to maintain the sample holder in a substantially stationary position within the first chamber during engagement of the closure with the housing
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH