{TAIL ~ The sensing element} or sensor can be calibrated for a specific user or a group of {HEAD ~ users} 
{ TAIL ~ The sensing element } or sensor can be calibrated for a specific user or a group of { HEAD ~ users }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD