Formwork and joystick: what they have in common

1. Step 1. Formwork — is used in — Concrete. Poured into formwork.
2. Step 2. Concrete — is material for — Airport. The runways are concrete.
3. Step 3. Airport — uses — Radar. Radars.
4. Step 4. Radar — is part of — Jet fighter. A radar.
5. Step 5. Jet fighter — uses — Fly-by-wire. Fly-by-wire.
6. Step 6. Fly-by-wire — uses — Joystick. A sidestick controller.

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