factshubs_ig on Instagram: "The ancient pump drill is a traditional fire-starting tool used by early civilizations. It works by converting simple up-and-down motion into fast rotational speed using a spindle, a crossbar, and a cord. This rapid spinning creates friction against a fireboard, producing heat until a small ember forms. Compared to hand drills, the pump drill is more efficient and less tiring, but it still requires dry wood, proper technique, and practice to work successfully. Its bri