{HEAD ~ The method} 1, wherein in the performing step, each calibration standard is attached in turn to {TAIL ~ the test system} via a test fixture for the measurements 
{ HEAD ~ The method } 1 , wherein in the performing step , each calibration standard is attached in turn to { TAIL ~ the test system } via a test fixture for the measurements
HEAD HEAD HEAD HEAD HEAD HEAD 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