Practical Action Publishing
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Soured Milk and Yoghurt
Soured milk is produced by uncontrolled milk fermentation using naturally-occurring bacteria. Yoghurt is produced by controlled milk fermentation of milk by lactic acid bacteria.
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Lime Kiln Designs
Small to medium scale oil fired lime kilns.
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Beef Cattle Production and Management Training Manual
This training manual was produced to share experiences gained over a number of years by practitioners in beef cattle production and management.
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Fibreglass Wind-turbine Blade
A manual is designed to show the process of producing a wind turbine blade from fibre-glass
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Recycling of Organic Waste
This fact sheet outlines the main methods of putting organic waste to good use.
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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.