Watercraft and kiln: what they have in common
- Step 1. Watercraft — includes — Paddle steamer. A vessel.
- Step 2. Paddle steamer — has part — Watt steam engine. A steam engine turns the wheels.
- Step 3. Watt steam engine — is part of — Steam locomotive. A steam locomotive is driven by a steam engine.
- Step 4. Steam locomotive — has part — Chimney. Smoke from the firebox leaves through the locomotive's chimney.
- Step 5. Chimney — is part of — Kiln. The chimney creates a draught.