Electrical resistance and greenhouse: what they have in common

1. Step 1. Electrical resistance — uses — Electrical conduction. Resistance is a property of a conductor.
2. Step 2. Electrical conduction — is used in — Silver. The best conductor.
3. Step 3. Silver — is material for — Wall mirror. Silvering.
4. Step 4. Wall mirror — has part — Window glass. Sheet glass.
5. Step 5. Window glass — is part of — Greenhouse. It lets light in and holds heat.

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