{TAIL ~ A portable radio information terminal} capable of operating at {HEAD ~ a plurality} of phases to execute different functions 
{ TAIL ~ A portable radio information terminal } capable of operating at { HEAD ~ a plurality } of phases to execute different functions
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH