Jet airliner and conveyor belt: what they have in common

1. Step 1. Jet airliner — has part — Radar. A weather radar.
2. Step 2. Radar — is used in — Airport. Radars.
3. Step 3. Airport — has part — Jet bridge. Jet bridges.
4. Step 4. Jet bridge — has part — Hydraulic cylinder. Raising the bridge.
5. Step 5. Hydraulic cylinder — is part of — Tunnel boring machine. Hydraulic cylinders push the machine forward.
6. Step 6. Tunnel boring machine — has part — Conveyor belt. Spoil is removed by a conveyor.

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