Samovar crown and hydraulic press: what they have in common

1. Step 1. Samovar crown — is part of — Samovar. A stand for the teapot.
2. Step 2. Samovar — uses — Combustion. Charcoal in the chimney.
3. Step 3. Combustion — is used in — Forge. Metal is heated in the flame.
4. Step 4. Forge — is used in — Forging press. The workpiece is heated in a forge before pressing.
5. Step 5. Forging press — is a kind of — Hydraulic press. A press.

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