Solar panel and shaduf: what they have in common
- Step 1. Solar panel — has part — Window glass. Tempered cover glass.
- Step 2. Window glass — is part of — Greenhouse. It lets light in and holds heat.
- Step 3. Greenhouse — uses — Irrigation. Watering plants.
- Step 4. Irrigation — uses — Shaduf. The shaduf fed water into the canals.