COFFEE ROASTER | How It s Made

Coffee is the worlds most popular hot drink, but how is the machine that roasts coffee beans made? 🇬🇧 Catch full episodes of your favourite Discovery Channel shows on discovery+: https://bit.ly/2NaK80h Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery UK on Twitter: http://www.twitter.com/DiscoveryUK