Ratchet stop and elevator: what they have in common

1. Step 1. Ratchet stop — is part of — Micrometer. It limits the measuring force.
2. Step 2. Micrometer — is used in — Interchangeable parts. Precise measurement ensures interchangeability.
3. Step 3. Interchangeable parts — is used in — Prefabrication. Standard elements.
4. Step 4. Prefabrication — is used in — Panel building. Assembled from panels.
5. Step 5. Panel building — has part — Elevator. Lifts.

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