Kite sail cloth and oil well: what they have in common

1. Step 1. Kite sail cloth — is part of — Kite. Cloth or paper on which the wind pushes.
2. Step 2. Kite — has part — Rope. The line holds the kite and passes the tension to the hand.
3. Step 3. Rope — is part of — Block and tackle. The rope runs around the pulleys.
4. Step 4. Block and tackle — is part of — Drilling rig. The block and tackle lifts the drill string.
5. Step 5. Drilling rig — is used in — Oil well. A well is drilled by a rig.

Open Evothings