In one configuration, 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 {HEAD ~ the closure} with {TAIL ~ the housing} 
with
In one configuration , 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 { HEAD ~ the closure } with { TAIL ~ the housing }
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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL