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