Lead plates and jacquard loom: what they have in common

1. Step 1. Lead plates — is part of — Lead–acid battery. Negative electrodes.
2. Step 2. Lead–acid battery — is part of — Submarine. Underwater, electric motors run on batteries.
3. Step 3. Submarine — is made of — Leather. It was covered with leather.
4. Step 4. Leather — is material for — Bellows. Bellows are a leather bag.
5. Step 5. Bellows — is part of — Player piano. Pedal bellows create suction.
6. Step 6. Player piano — works like — Jacquard loom. A perforated medium controls a machine — a weaving one in one case, a musical one in the other.

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