Watercraft e kiln: o que têm em comum
- Passo 1. Watercraft — inclui — Paddle steamer. A vessel.
- Passo 2. Paddle steamer — tem como parte — Watt steam engine. A steam engine turns the wheels.
- Passo 3. Watt steam engine — faz parte de — Steam locomotive. A steam locomotive is driven by a steam engine.
- Passo 4. Steam locomotive — tem como parte — Chaminé. Smoke from the firebox leaves through the locomotive's chimney.
- Passo 5. Chaminé — faz parte de — Kiln. The chimney creates a draught.