Anaesthetic machine and GPS (satellite navigation): what they have in common

1. Step 1. Anaesthetic machine — uses — Diethyl ether. Ether and nitrous oxide.
2. Step 2. Diethyl ether — uses — Distillation. Obtained by distilling alcohol with acid.
3. Step 3. Distillation — is used in — Kerosene. Obtained by distillation.
4. Step 4. Kerosene — is material for — Reusable rocket. The fuel is kerosene or methane.
5. Step 5. Reusable rocket — has part — GPS (satellite navigation). Navigation during landing.

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