The housing includes a recess adapted for insertion of {HEAD ~ a cartridge} into {TAIL ~ the housing} to deliver a sample to be measured to the device 
The housing includes a recess adapted for insertion of { HEAD ~ a cartridge } into { TAIL ~ the housing } to deliver a sample to be measured to the device
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH