This field manual has been specifically prepared for Village Sanitation Assistants (VSA's) and village householders who, as part of Botswana's rural sanitation program, are working together in the construction of rural ventilated improved pit (VIP) latrines. The manual sets out overall design principles, several optional designs, current construction procedures and some maintenance guidelines. It contains an extensive number of construction illustrations...
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详细
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1983/11/30
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工作文件（编号系列）
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TAG8
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1
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1
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2010/07/12
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Disclosed
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Rural ventilated improved pit latrines : a field manual for Botswana
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water supply and sanitation