Shower hose and internal combustion engine: what they have in common

1. Step 1. Shower hose — is part of — Shower. A flexible hose.
2. Step 2. Shower — uses — Plumbing. Plumbing.
3. Step 3. Plumbing — is used in — Fire hydrant. Plumbing.
4. Step 4. Fire hydrant — has part — Valve. A gate valve.
5. Step 5. Valve — is part of — Internal combustion engine. Valves let in the mixture and let out the gases.

Open Evothings