Iron pot, also called iron bottle, Japanese "Tetsubin". Originally, it was just a utensil for boiling water and tea. The Japanese have developed the art and craftsmanship of the iron bottle to the extreme. It has been developed for hundreds of years, and there are hundreds of various types of utensils.
A good iron kettle can really improve the water quality obviously.
A good iron kettle can really improve the water quality obviously.
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