a precautionary action application, responsive to the positioning system and the database, that provides a precautionary action when the positioning system determines that the current location is approaching {HEAD ~ a location} associated with {TAIL ~ precautionary action data} 
associated with
a precautionary action application , responsive to the positioning system and the database , that provides a precautionary action when the positioning system determines that the current location is approaching { HEAD ~ a location } associated with { TAIL ~ precautionary action data }
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL