China clay - also known as kaolin - is used in the manufacture of sanitary ware, paper and paints.

BBC: China clay pit

The Plumbing Fixtures Business segment covers the sanitary ware, bidet-equipped shower toilets, water faucets, washstands, bathtubs, unit bathrooms, kitchen systems, washstand fixtures, and washstand cabinet units.

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The sanitary ware industry employs 2, 500 people around Stoke-on-Trent.

BBC: Toilet museum flush with lottery cash