In household and commercial usage, most North American and Southern Asian water heaters are the tank type, also called "storage water heaters", these consist of a cylindrical vessel or container that keeps water continuously hot and ready to use.
Most North American and Southern Asian water heaters are the tank type. This is in household. This is in commercial usage. These consist the tank type of a cylindrical vessel or container. This cylindrical vessel keeps water continuously hot and ready to use. Container keeps water continuously hot and ready to use. The tank type is also called "storage water heaters".