Practical Action Publishing
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Producer Gas for Power Generation
Producer gas is formed by the partial oxidation of a carbonaceous material, such as biomass or coal, in a furnace, generator, or 'producer' unit. This fact sheet outlines the method of doing this, and also other factors to consider like availability of resources and resulting pollutants.
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Preparation of Risk Maps
This document looks at risk map usage in the emergency preparedness project in Peru, recognising that more comprehensive risk-reduction strategies are constantly emerging.
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Peanut Roaster
The design and construction of a peanut roaster
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Pack Transport with Donkeys
Pack donkeys can be an appropriate solution for transport in remote mountainous regions.
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How to Grow Your Own Onion Seed
Here is some basic information on how to grow onions and produce onion seeds. The document focuses on Burkina Faso but this approach can be used in many other locations.
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Lime Production: 2
Lime has been used in the Malawian building industry for many generations, principally as the cementing agent in renders and to produce a decorative whitewash.
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Lime Production
There is a long history of production and use of lime in Sri Lanka. Its main use has been as a cementing agent and as a decorative whitewash in the building industry.
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The Kebkabiya Plough
This plough has been used with great success in Kebkabiya, Sudan. Here is a highly visual guide to its use.
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Hydraulic Lime: An Introduction
Hydraulic lime was an important cementitious material before the arrival of Portland cement but it is little used now, except in conservation work.
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From Vulnerability to Resilience (V2R)
This documents sets out the key factors that contribute to peoples' vulnerability: exposure to hazards and stresses and fragile livelihoods. It provides detailed explanation of the linkages between these factors, as well as ideas for action to strengthen resilience.