Wazuku Iron Kettles: Boiling Hot Water for Tea

If you break down the process of producing a kettle into precise detail, it can easily involve more than 100 individual steps and is an undertaking that requires time and patience.
Once the surface has sufficiently oxidized, it is stabilized by applying a coating of lacquer. Finally, once the kettle is actually filled with water and placed on the fire and delicious hot water has been boiled in it, then the process is complete.