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Howto...

Howto Energy

1. Wood / Biomass Power
   1. How to Use Biomass/ Wood Power?
   2. How to Make a Rocket Stove
   3. How to Plan a Biomass Digestor?
   4. How to Use Biogas?
2. Water Power
   1. How to Use Water Power?
   2. How to Plan a Micro Hydro-power Plant?
   3. How to Build a Micro Hydropower Plant?
   4. How to Build a "Water Motor"
3. Wind Power
   1. How to Plan a Small Wind Turbin
   2. How to Build a Small Wind Turbin
   3. How to Build a Wind Pump
4. Sun Power
   1. How to Use Sun Power?
   2. How to Plan a Micro Sun-power Plant?
   3. How to Plan Solar Collectors?
   4. How to Build Solar Collectors?
5. Man / Animal power
6. Power Saving
7. Electricity for Remote Areas

Howto Water

1. How to Pump Water
   1. How to Make a Hand Pump?
   2. How to Make a Foot Pump?
   3. How to Make a Roundabout Pump?
   4. How to Make a Unimade Pump?
2. How to Purify Water?
   1. How to Pasteurize Water with a Plastic Bottle?
   2. How to Filter Water with a Sand Filter?
   3. How to Purify Water with Moringa Seeds?
   4. How to Distillate Water?
3. How to Harvest Water?
   1. How to Build an Impluvium / Rain Tank?
   2. How to Build a Kund?
   3. How to Build Dams?
   4. How to Build a Groundwater Dam?
   5. How to build a Fog Trap?
4. How to Conceive a Canalization System?
5. How to Manage Water Ressources?
6. How to Manage and Treat Used Water?
7. How to Manage and Treat Solid Waste?
8. How to Build Toilets?
   1. How to Build Emergency Camp toilets?
   2. How to Build Community Toilets?
   3. How to Build Individual Toilets?
   4. How to Build Dry Toilets?
   5. How to Compost Toilet Waste?

Howto Agriculture

1. How to Fight Soil Erosion?
   1. How to Fight Slopes Soil Erosion?
   2. How to Fight Sandy Soil Erosion?
   3. How to Protect Cultures from the Wind?
   4. How to Restaure Soil?
   5. How to Re-vegetalize Land Using Seed Balls?
2. How to Build a Small Scale Irrigation System?
   1. How to Use the Pourous Clay Pots and Pipes System?
   2. How to Install Drip Technologies?
3. How to Fertilize with Compost and Organic Matter?

Howto Food Processing

1. 1. How to cook efficiently