Hovercraft and air conditioner: what they have in common

1. Step 1. Hovercraft — is a kind of — Amphibious vehicle. A hovercraft is amphibious: it glides over water and land alike.
2. Step 2. Amphibious vehicle — evolved from — Truck. A truck chassis.
3. Step 3. Truck — has part — Air brake. Air brakes, as on trains.
4. Step 4. Air brake — has part — Compressor. A compressor pumps the air.
5. Step 5. Compressor — is part of — Air conditioner. A compressor.

Open Evothings