Maryono Aja
Ide lain dari Maryono
Alternative Energy - The "Vertical Wind Turbine" is the most efficient windmill design and can be built using simple materials. Mounted on the roof top, it can provide enough power to light an average home.

Alternative Energy - The "Vertical Wind Turbine" is the most efficient windmill design and can be built using simple materials. Mounted on the roof top, it can provide enough power to light an average home.