IntroductionTanning is a key step in making leather. It involves treating animal skins to make them soft, flexible, durable, and resistant to decay. This makes the leather good for making leather jackets, leather bags, and leather aprons. A tannery is where the skins are processed. Most tanneries are near slaughterhouses because they need fresh hides, but some tanneries are separate and get skins from nearby farms and butcher shops...