Solar panel and shaduf: what they have in common

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

Open Evothings