Power rails and shipping container: what they have in common

1. Step 1. Power rails — is part of — Breadboard. Lengthwise strips for power.
2. Step 2. Breadboard — is made of — Nickel. The contacts are nickel-plated bronze.
3. Step 3. Nickel — is material for — Turboprop. The turbine blades are nickel alloys.
4. Step 4. Turboprop — is part of — Cargo aircraft. Turboprop engines for short runways.
5. Step 5. Cargo aircraft — uses — Shipping container. Air cargo containers.

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