Ethanol and gas lamp: what they have in common

1. Step 1. Ethanol — is material for — Diethyl ether. Made from ethanol.
2. Step 2. Diethyl ether — is used in — Anaesthetic machine. Ether and nitrous oxide.
3. Step 3. Anaesthetic machine — has part — Valve. Valves.
4. Step 4. Valve — is part of — Gas lamp. A gas supply valve.

Open Evothings