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====How to Build/Buy a "Green" (Environmentally Friendly) House==== ====How to Prepare Construction Materials====

*'''How Many people: several''' ...usands of schools, while in the latter case there could be just one school to build, or usually a small number. Local authorities are sometimes also invo

=How to Measure the Energy Used to Fire Clay Bricks - <br /><br />A Practical Guide for Brickmakers, Field-Wor ...is an energy efficient brick firing technology? How do you measure it? And how do you compare it with technologies used in other places?

*'''How Many people?''' *'''How Long does it take?'''

...any areas of the world where conventional water supply systems have failed to meet peoples needs. RainWater Harvesting is a proven technology that has be ...giriya, Sri Lanka. This reservoir cut into the rock was used centuries ago to hold harvested rainwater. ©Practical Action

'''This article offers basic information about roof covering using plants, or biomass material.''' '''The article focuses on thatch and wood tiles, and covers industrially-produced roofing material that includes a signific

*'''How Many people?''' 3-10 *'''How Long does it take?'''