Pressure and joystick: what they have in common

1. Step 1. Pressure — is used in — Pressurized cabin. Pressurizing the cabin.
2. Step 2. Pressurized cabin — is part of — Jet airliner. A pressurized cabin.
3. Step 3. Jet airliner — uses — Fly-by-wire. Fly-by-wire.
4. Step 4. Fly-by-wire — uses — Joystick. A sidestick controller.

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