PDF] The design of ventilated improved pit latrines | Semantic Scholar
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The Ventilated Improved Pit (VIP) Latrine | PDF
PDF] The design of ventilated improved pit latrines | Semantic Scholar
Single Ventilated Improved Pit (VIP) | SSWM - Find tools for sustainable sanitation and water management!
We build ventilated-improved pit (VIP) latrines to provide families with a bathroom that is safe, private and s… | Clean water project, Clean water, Keep it cleaner