{HEAD ~ a storage} for storing {TAIL ~ a relationship} between the measurement type and types of necessary optical parts required for the measurement type in connection with the plurality of the measurement types respectively 
for storing
{ HEAD ~ a storage } for storing { TAIL ~ a relationship } between the measurement type and types of necessary optical parts required for the measurement type in connection with the plurality of the measurement types respectively
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL 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