An individual draft shield element consisting at least in {TAIL ~ part} of a transparent material is arranged above each of {HEAD ~ the sample carriers} , closing off a sample space laterally and from above 
An individual draft shield element consisting at least in { TAIL ~ part } of a transparent material is arranged above each of { HEAD ~ the sample carriers } , closing off a sample space laterally and from above
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH