1-C. (4) The function of GPS devices in wilderness situations.(4) The function of GPS devices in wilderness situations.
(4)機能、GPS装置のダヨ、荒野の状況でダヨ。
2-C. Also, in extreme situations such as when hikers get lost in the wilderness, GPS units can even save lives.Also, in extreme situations such as when hikers get lost in the wilderness, GPS units can even save lives.