Development studies
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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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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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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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Fruit Juice Processing
This brief looks at juice extraction, preparation, pasteurisation, bottling, quality control, and equipment suppliers.
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Oil Extraction
Small scale oil extraction from nuts, seeds and fruits, can be used for eating, cosmetics and detergents. It can be a good source of income, once the equipment is invested in up front.
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Pineapple Jam
A guide to making pineapple jam.
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Manufacturing the Donkey Cart and Ambulance
This manual aims to give useful information to local fabricators and organizations that support them to help them make donkey carts and a donkey cart ambulance.
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Oregano Cultivation
Oregano has a very high tolerance in terms of altitude and temperature. It is suitable in any soil that is not saline.
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Lime: An Introduction
Lime has a long tradition of use in construction, agriculture, water and waste treatment.
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Dairy Processing
Dairy products can be split into groups accodring to their preservation status - milk is at high risk of turning sour after only a few days if untreated. However, preservation techniques extend its shelf life.