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|
| Zeile 11: |
Zeile 11: |
| | [[Agriculture and Soil Conservation]] <br> | | [[Agriculture and Soil Conservation]] <br> |
| | [[Agroforestry, Environment and Biodiversity]] <br> | | [[Agroforestry, Environment and Biodiversity]] <br> |
| − | [[Health]] <br>
| |
| − | [[How to Build a "Water Motor"]] <br>
| |
| − | [[How to Build a Bicycle Trailer]] <br>
| |
| − | [[How to Build a Clean Dung-Burning Stove]] <br>
| |
| − | [[How to Build a Compost Toilet]] <br>
| |
| − | [[How to Build a Low-cost Poly-house]] <br>
| |
| − | [[How to Build a No-Dig Garden]] <br>
| |
| − | [[How to Build a Peanut Roaster]] <br>
| |
| − | [[How to Build a Rainwater Tank: Sri Lankan Pumpkin Tank]] <br>
| |
| − | [[How to Build a School Building in Developing Countries]] <br>
| |
| − | [[How to Build a Small Wind Turbine]] <br>
| |
| − | [[How to Build a Tray Dryer]] <br>
| |
| − | [[How to build a Ventilated Improved Pit Latrine]] <br>
| |
| − | [[How to Build a Windpump (Principles)]] <br>
| |
| − | [[How to Build a Winiarski Rocket Stove]] <br>
| |
| − | [[How to Build a Yoghurt Incubator]] <br>
| |
| − | [[How to Build a Yoghurt Incubator for Small-Business Production]] <br>
| |
| − | [[How to Build an Artificial Reef]] <br>
| |
| − | [[How to Build an Efficient Wood Oven]] <br>
| |
| − | [[How to Build an Underground Brick Dome Water Tank]] <br>
| |
| − | [[How to Make Alternatives to Portland Cement]] <br>
| |
| | | | |
| | ==B== | | ==B== |
