Sidecar chassis and oil lamp: what they have in common

1. Step 1. Sidecar chassis — is part of — Sidecar motorcycle. The mounting to the motorcycle.
2. Step 2. Sidecar motorcycle — evolved from — Motorcycle. A motorcycle with a sidecar.
3. Step 3. Motorcycle — has part — Internal combustion engine. A motorcycle is driven by a combustion engine.
4. Step 4. Internal combustion engine — uses — Combustion. Fuel burns in the cylinder.
5. Step 5. Combustion — is used in — Oil lamp. Burning oil gives the light.

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