Energy

1. Wood / Biomass Power
   1. How to Use Biomass/ Wood Power?
   2. How to Plan a Biomass Digestor?
   3. 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 use Energy from the Wind
   2. How to generate Wind Electricity
   3. How to generate Wind Electricity (Principles)
   4. How to Build a Windpump
   5. How to Build a Windpump (Principles)
   6. How to Plan a Small Wind Turbine
   7. How to Build a Small Wind Turbine
   8. How to Build a Wind Pump
4. Sun Power
   1. How to Use Sun Power?
   2. How to Use Photovoltaic Energy?
   3. How to Plan a Micro Sun-power Plant?
   4. How to Heat Water with Sun Power?
   5. How to Plan Solar Collectors?
   6. How to Heat with Solar Water?
   7. How to Build Solar Collectors?
   8. How to Build Solar Dryers?
   9. How to Build a Solar House?
5. Man / Animal power
6. Fossil Power
   1. Kerosene and Liquid Petroleum Gas (LPG)
   2. How to Use Diesel Engines
7. Power Saving
8. Electricity
   1. How to Provide Electricity in Rural Areas?-Principles-
   2. How to Provide lighting in Rural Areas?-Principles-
   3. How to Store Electricity in Batteries