The probe shaft bearing the specimen is joined to {HEAD ~ the specimen assembly form}, so that {TAIL ~ the region} of interest in the rough specimen is located in the open area 
The probe shaft bearing the specimen is joined to { HEAD ~ the specimen assembly form } , so that { TAIL ~ the region } of interest in the rough specimen is located in the open area
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH