MP3 player and tank: what they have in common
- Step 1. MP3 player — has part — Flash memory. Flash memory.
- Step 2. Flash memory — is part of — Flight recorder. Memory.
- Step 3. Flight recorder — is part of — Jet airliner. Flight recorders.
- Step 4. Jet airliner — has part — Turbojet engine. Jet engines.
- Step 5. Turbojet engine — is a kind of — Gas turbine. A turbojet is a gas turbine that produces thrust with a jet.
- Step 6. Gas turbine — is part of — Tank. Some tanks (T-80, Abrams) have a gas turbine engine.