Font: http://tecnologiaisostenibilitat.cus.upc.edu/
continguts/aigua.-perspectiva-global-i-gestio/4.-usos-de-laigua-industrial-domestic-i-agricola
Imatge: http://www.automatedcontrol.com.au/SiteFiles/
acegcomau/water_cropped_industry_image_&_comp.jpg
