Ceramic glaze and autoclave: what they have in common

1. Step 1. Ceramic glaze — is part of — Pottery. A vitreous coating.
2. Step 2. Pottery — includes — Porcelain. Ceramics.
3. Step 3. Porcelain — is material for — Flush toilet. Toilet bowls are earthenware and porcelain.
4. Step 4. Flush toilet — has part — Valve. The cistern’s float valve.
5. Step 5. Valve — includes — Safety valve. A kind of valve.
6. Step 6. Safety valve — is part of — Autoclave. A safety valve releases pressure.

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