Mechanical reproduction of information and hydraulic press: what they have in common

1. Step 1. Mechanical reproduction of information — is used in — Jacquard loom. The loom reproduces a pattern recorded on punched cards as many times as needed.
2. Step 2. Jacquard loom — works like — Player piano. A perforated medium controls a machine — a weaving one in one case, a musical one in the other.
3. Step 3. Player piano — has part — Bellows. Pedal bellows create suction.
4. Step 4. Bellows — is part of — Forge. Bellows fan the fire of the forge.
5. Step 5. Forge — is used in — Forging press. The workpiece is heated in a forge before pressing.
6. Step 6. Forging press — is a kind of — Hydraulic press. A press.

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