Development studies
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Banana Beer
Banana beer is made from bananas, mixed with a cereal flour (often sorghum flour) and fermented to make an alcoholic beverage.
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Biomass as a Solid Fuel
Solid biomass is a source of energy from materials including wood, sawdust, and crop waste, which can be used directly or processed into briquettes and charcoal.
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The Brick Mould
Drawing of a brick mould.
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A Case Study In Lime Production
A case study in lime production, looking at traditional batch techniques in Chenkumbi, Malawi
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The Donkey Cart
Dimensions for The Donkey Cart are provided in this engineering drawing.
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Dry Stone Causeway
Causeways are a strong, low-cost means of river crossing.
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Handbook on Community-Led Total Sanitation
This handbook focuses on igniting a change in sanitation behaviour rather than constructing toilets. It is an attempt to bring together experience, diversified practice and local innovations from different countries and many sources.
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Quality Control in Food Processing
An essential component of any food processing business, quality control protects customers and business whilst ensuring food law compliance.
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Wind Pumping
This document examines the principles of wind energy conversion and looks at the types and characteristics of rotors, as well as the importance of matching rotor with pump.
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Clay as a Binder
Clays are the main binders of earth and are made up of very small mineral particles leached out during the erosion of rock.