Shackle and paper machine: what they have in common

1. Step 1. Shackle — is part of — Micrometer. A rigid frame.
2. Step 2. Micrometer — is used in — Interchangeable parts. Precise measurement ensures interchangeability.
3. Step 3. Interchangeable parts — is used in — Assembly line. Flow production is only possible with interchangeable parts.
4. Step 4. Assembly line — uses — Conveyor belt. The product moves between stations on a conveyor.
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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