Staple cartridge and radar: what they have in common

1. Step 1. Staple cartridge — is part of — Surgical stapler. Rows of staples.
2. Step 2. Surgical stapler — is made of — Titanium. Titanium staples.
3. Step 3. Titanium — is material for — Flight recorder. The case is titanium or stainless steel.
4. Step 4. Flight recorder — is part of — Jet airliner. Flight recorders.
5. Step 5. Jet airliner — has part — Radar. A weather radar.

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