Inner glass tube and plumbing: what they have in common

1. Step 1. Inner glass tube — is part of — Liebig condenser. Steam flows through it.
2. Step 2. Liebig condenser — uses — Heat transfer. Cooling with water.
3. Step 3. Heat transfer — is used in — Solar water heater. Heating the water.
4. Step 4. Solar water heater — is a kind of — Water heater. A solar water heater is a boiler warmed by the sun.
5. Step 5. Water heater — is used in — Shower. Hot water.
6. Step 6. Shower — uses — Plumbing. Plumbing.

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