Practical Action Publishing
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Serpentine Solar Water Heating: Guidelines for Fabrication
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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Clay Tile Manufacture
A guide to clay tile manufacture, covering tools, factory siting, operations, budgeting and financing the project.
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Wheelbarrow
Engineering drawings detailing how to make a wheelbarrow.
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Health Care Waste Management in Developing Countries
This brief gives an overview on health care waste treatment options focusing on incineration.
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Compost Toilets
This fact sheet describes a compost toilet that has proved to be most effective in water-logged areas where pit-latrines and septic tanks are inappropriate.
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Ventilated Improved Pit Latrine
The Ventilated Improved Pit Latrine is an improvement on standard pit latrines that eliminates flies and odour.
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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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Cassava Processing
This fact sheet describes uses of cassava - a staple crop of particular importance in South America and Africa - how to process it, harvest it and store it.
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Ginger Processing
Ginger is valued for the dried ginger spice and preserved, crystallised ginger.
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Strawberry Flavoured Jam
Strawberry flavoured jam can be made from ash gourd and artificial strawberry flavouring.