Outreach N° 86 - Learning by Doing - Leaflets on Pressure and Water Technologies (OUTREACH - UNEP - WWF, 64 p.): Section II: Water Technologies

Outreach N° 86 - Learning by Doing - Leaflets on Pressure and Water Technologies (OUTREACH - UNEP - WWF, 64 p.)

Section II: Water Technologies

		Leaflet no. 39: Your community's water supply
		Leaflet no. 40: Catch a falling raindrop
		Leaflet no. 41: Building small dams
		Leaflet no. 42: Sinking wells
		Leaflet no. 43: Water-lifting devices (1) Using simple machines
		Leaflet no. 44: Water-lifting devices (2) Siphons
		Leaflet no. 45: Water-lifting devices (3) Suction pumps
		Leaflet no. 46: Water-lifting devices (4) Force pumps
		Leaflet no. 47: Pump probe and patrol
		Leaflet no. 48: Purifying water with heat
		Leaflet no. 49: Purifying water with filters
		Leaflet no. 50: Purifying water with chemicals