Triangular fabric wing and shipping container: what they have in common

1. Step 1. Triangular fabric wing — is part of — Hang glider. A flexible Rogallo wing on a frame.
2. Step 2. Hang glider — is a kind of — Glider. A glider.
3. Step 3. Glider — has part — Wing. Wings.
4. Step 4. Wing — is part of — Cargo aircraft. Wings.
5. Step 5. Cargo aircraft — uses — Shipping container. Air cargo containers.

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