Энэ нь Link Таны хэл дээр байхгүй байгаа, Нь харах: English (en),
Эсвэл Google Translate ашиглах:  

http://www.cawst.org/

With the right knowledge and skills anyone, anywhere can take ownership of their own water, sanitation and hygiene. CAWST empowers people to take action in their homes and neighbourhoods, builds resiliency, and ensures appropriate solutions for the local water context.