Matryoshka and bellows: what they have in common

1. Step 1. Matryoshka — is a kind of — Doll. A doll.
2. Step 2. Doll — is made of — Clay. And shaped from clay.
3. Step 3. Clay — is material for — Bloomery. A bloomery is a clay shaft.
4. Step 4. Bloomery — has part — Bellows. Bellows blew in air for a high temperature.

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