Concurrently {TAIL ~ a stable positioning} of {HEAD ~ the measurement device} onto a placement area is achieved 
Concurrently { TAIL ~ a stable positioning } of { HEAD ~ the measurement device } onto a placement area is achieved
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH