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