I know a lot of people drink coffee and unlike before where people used to break their coffee beans using tools like mortar and pestle just to have coffee, today there are a lot of machines that can produce really delicious coffee. In the history of coffee making, the first grinder was called Turkish coffee grinder and until now, many variations have been developed that includes hitching the plates into an electric motor but nevertheless, the principle still remains the same. One good example of a grinder that was created is called the burr grinders and if you haven’t heard of this yet, better check the internet for more information.