Water treatment plant und petri dish: was sie gemeinsam haben
- Schritt 1. Water treatment plant — ist hergestellt aus — Backstein. Settling tanks are stone and brick.
- Schritt 2. Backstein — ist Material für — Sewerage. The drains of Mohenjo-daro are lined with fired brick.
- Schritt 3. Sewerage — hat als Teil — Sewage treatment plant. Treatment plants.
- Schritt 4. Sewage treatment plant — nutzt — Culture medium (agar). Waste water is cleaned by activated sludge — bacteria.
- Schritt 5. Culture medium (agar) — nutzt — Petri dish. Agar in dishes.