Ventilated Improved Pit Latrine

The Ventilated Improved Pit Latrine is an improvement on standard pit latrines that eliminates flies and odour.
2004 , Simon Farmer
PDF ,Practical Action , English
The Ventilated Improved Pit Latrine is an improvement on standard pit latrines that eliminates flies and odour.
2004 , Simon Farmer
PDF ,Practical Action , English
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