Wooden stilts and radar: what they have in common

1. Step 1. Wooden stilts — is part of — Stilts. Two long supports.
2. Step 2. Stilts — uses — Lever. An extended support.
3. Step 3. Lever — is used in — Joystick. A lever.
4. Step 4. Joystick — is used in — Fly-by-wire. A sidestick controller.
5. Step 5. Fly-by-wire — is used in — Jet fighter. Fly-by-wire.
6. Step 6. Jet fighter — has part — Radar. A radar.

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