Oscillator and paper machine: what they have in common

1. Step 1. Oscillator — is part of — Drum machine. Analogue oscillators.
2. Step 2. Drum machine — works like — Drum. An electronic drum.
3. Step 3. Drum — is made of — Leather. The drumhead is stretched hide.
4. Step 4. Leather — is material for — Conveyor belt. The first belts were leather.
5. Step 5. Conveyor belt — works like — Paper machine. Fourdrinier’s endless wire mesh moves like a conveyor belt, forming the web of paper.

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