Geodesic dome and bellows: what they have in common

1. Step 1. Geodesic dome — has part — Truss. A triangular grid.
2. Step 2. Truss — has part — Beam. Members.
3. Step 3. Beam — is part of — Overhead crane. An overhead crane runs along a beam bridge under the workshop roof.
4. Step 4. Overhead crane — is part of — Steel works. Overhead cranes.
5. Step 5. Steel works — has part — Blast furnace. Blast furnaces.
6. Step 6. Blast furnace — has part — Bellows. Air was blown in by bellows, later by blowers.

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