The Romans used lead to linetheinside of bowls and pitchers. It was also used for plates, cups, and spoons.
罗马人用铅来给他们的碗和水罐勾边,还用在盘子,勺子和杯子上。
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A more biological explanation for how the Neti pot works has to do with tiny, hair-like structures called cilia that linetheinside of the nasal and sinus cavities.
This tissue was composed of the layers of the various cells that make up the intestine -- including muscle cells and the cells that linetheinside, known as epithelial cells.