Blast furnace and hydraulic press: what they have in common

1. Step 1. Blast furnace — has part — Bellows. Air was blown in by bellows, later by blowers.
2. Step 2. Bellows — is part of — Forge. Bellows fan the fire of the forge.
3. Step 3. Forge — is used in — Forging press. The workpiece is heated in a forge before pressing.
4. Step 4. Forging press — is a kind of — Hydraulic press. A press.

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