Superabsorbent and multistage rocket: what they have in common

1. Step 1. Superabsorbent — uses — Capillary action. Absorption.
2. Step 2. Capillary action — is used in — Wick. Fuel rises up the wick by capillary forces.
3. Step 3. Wick — is part of — Kerosene lamp. A wick.
4. Step 4. Kerosene lamp — uses — Kerosene. The fuel.
5. Step 5. Kerosene — is material for — Multistage rocket. The fuel is kerosene.

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