Motorcycle sidecar body and autoclave: what they have in common

1. Step 1. Motorcycle sidecar body — is part of — Sidecar motorcycle. A side car with a wheel.
2. Step 2. Sidecar motorcycle — evolved from — Motorcycle. A motorcycle with a sidecar.
3. Step 3. Motorcycle — has part — Clutch. A clutch between the engine and the gearbox.
4. Step 4. Clutch — has part — Spring. A spring presses the plates together.
5. Step 5. Spring — is part of — Safety valve. A spring-loaded valve.
6. Step 6. Safety valve — is part of — Autoclave. A safety valve releases pressure.

Open Evothings