Fermentation and oil lamp: what they have in common

1. Step 1. Fermentation — is used in — Ethanol. Alcohol is produced by fermentation.
2. Step 2. Ethanol — uses — Distillation. It is concentrated by distillation.
3. Step 3. Distillation — is used in — Kerosene. Obtained by distillation.
4. Step 4. Kerosene — is used in — Kerosene lamp. The fuel.
5. Step 5. Kerosene lamp — evolved from — Oil lamp. A development of the oil lamp.

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