Daily in many household use automatic electric or gas rice cooker. This rice cooker is said to be made in postwar perriod. In using this appliances, there are measurements or marking to follow for water and rice volume. The automatic controls take over cooking and also reduces the heat at exact time. It also keeps warm till needed. This comes from various sizes, from tiny ones holding a few cups to large one used in restuarants. This rice cooker can be obtained at oriental stores, malls and other marketing stores.