ประโยชน์ของเข็มทิศ One of the benefits of a compass is that it is portable. The slim and compact dimensions of most modern compasses enable you to add one to a pack of any size without worrying about additional weight. สองคือ
Self-Sufficiency.When using a compass, you can establish your direction and position on your own. Even if you are alone in the wilderness and far away from a town or even a homestead, as long as you have a compass and an accurate map you can happily navigate across the environment without requiring the aid of another person and without needing an electrical power source.