The processor determines the description from the sensed interface surface identity and determined the region from the determined description and at least one of the position of the sensed tag and {HEAD ~ a position} of the scanning patch relative to {TAIL ~ the interface surface} 
relative to
The processor determines the description from the sensed interface surface identity and determined the region from the determined description and at least one of the position of the sensed tag and { HEAD ~ a position } of the scanning patch relative to { TAIL ~ the interface surface }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL