Dirty Great Machines - Down-The-Hole Drilling | Technology Documentary | Reel Truth. Science

Kidd Mine in Ontario, Canada plunges 200 miles underground and is the deepest base metal mine in the world. The miners use a technique called blast hole mining to extract metal and use state of the art Down-The-Hole Drills located beneath the surface to make holes at almost any angle. For more awe inspiring documentaries, subscribe to our channel: https://www.youtube.com/channel/UCZSE95RmyMUgJWmfra9Yx1A?Sub_Confirmation=1 Welcome to Reel Truth. Science the home of inspiring documentaries from the scientific and medical world. Here you can find full length documentaries to discover and explore. #dirtygreatmachines #heavyequipment #reeltruthscience