Tiltrotor and elevator: what they have in common

1. Step 1. Tiltrotor — has part — Main rotor. Tilting rotors.
2. Step 2. Main rotor — uses — Lift. The blades are rotating wings.
3. Step 3. Lift — is used in — Kite. A kite is held up by lift.
4. Step 4. Kite — has part — Rope. The line holds the kite and passes the tension to the hand.
5. Step 5. Rope — is used in — Pulley. A rope runs over the pulley.
6. Step 6. Pulley — is part of — Elevator. The rope runs over a pulley.

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