The lid part and the base part are in addition designed with elastic properties so that the pressure with which {TAIL ~ the bearing surface} presses onto the test layer package is substantially constant in the tolerance range of {HEAD ~ the thickness} of the test field package  
The lid part and the base part are in addition designed with elastic properties so that the pressure with which { TAIL ~ the bearing surface } presses onto the test layer package is substantially constant in the tolerance range of { HEAD ~ the thickness } of the test field package
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH