Practical Action Publishing
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Roofing Options: Filler Slabs
Filler slabs, consume less concrete and steel as compared to conventional slabs, due to the use of less-heavy, low-cost filler material such as rejected Calicut tiles, clay pots and broken pieces of cement blocks. This technical brief describe the technology of filler slab.
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Serpentine Solar Water Heating Build Manual
Manual for building serpentine solar water heating system with the basic of installation guides and a list of component materials.
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Serpentine Solar Water Heating Design Manual
The Serpentine is a solar thermal collector developed as part of a low cost water heating system by the AIDG for households in Xela, Guatemala.
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Slow Sand-Filtration Water Treatment Plants
Slow sand-filtration systems are a technically viable water treatment solution.
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Small-scale Oilseed Processing
Discusses refining oilseed on a small-scale; topics include raw materials, health and safety and processing.
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Solar PV Energy in Nepal
Renewable energy practices in Nepal
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Solid Waste Management
An introduction to solid waste management.
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The Sri Lankan Pumpkin Tank
A small scale roof water harvesting tank promoted in Sri Lanka by the World Bank.
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Stone Arch Bridges
Construction of stone arch bridges.
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Terre Fertile
La planète compte environ 2,5 milliards de personnes impliquées dans l’agriculture familiale et la production alimentaire qui sont réparties sur 500 millions de fermes. Leur capacité créative à exploiter leurs terres de manière productive et durable en accord avec la nature, et non contre elle, est...