3.- Technical notes.

TB.07-Surface water source and intake - ( WHO ).

TB.06-Rainwater collection and storage - ( WHO ).

TB.05-Borehole with a motorized pump - ( WHO ).

TB.04-Tubewell with a hand pump - ( WHO ).

TB.03-Spring - ( WHO ).

TB.02-Dug well with a windlass - ( WHO ).

TB.01-Dug well with a hand pump - ( WHO ).

WHO - Technical notes.

Poster.064-Ferrocement tanks for water storage - ( WEDC ).

Poster.063-Sanitary platforms - Sanplats - ( WEDC ).

Poster.062-Handpumps - an overview - ( WEDC ).

Poster.061-Boreholes for waterpoints - ( WEDC ).

Poster.060-Assessment and design flowchart of emergency sanitation - ( WEDC ).

Poster.059-A raised pump and apron for areas prone to flooding - ( WEDC ).

Poster.058-Design details for an apron slab and drainage - ( WEDC ).

Poster.057-A typical arrangement for an apron slab and drainage - ( WEDC ).

Poster.056-Safe location of a waterpoint - ( WEDC ).

Poster.055-A comparison of pump types - ( WEDC ).

Poster.054-The Joma pump - ( WEDC ).

Poster.053-The Pulsa pump - ( WEDC ).

Poster.052-Progressive cavity pumps - ( WEDC ).

Poster.051-Cylindrical diaphragm pumps - ( WEDC ).

Poster.050-How deepwell handpumps work - ( WEDC ).

Poster.049-Deepwell handpumps - ( WEDC ).

Poster.048-The Canzee pump - ( WEDC ).

Poster.047-The Treadle pump - ( WEDC ).

Poster.046-Suction pumps - ( WEDC ).

Poster.045-The Rower pump - seating and standing designs - ( WEDC ).

Poster.044-The Rower pump - technical details - ( WEDC ).

Poster.043-The India Mark III handpump - ( WEDC ).