Amazi ayisisekelo sokuthi sifuna ngaso sonke isikhathi. Sizise amazi ukudla, ukupheka, ukucwashwa, kanye nokusebenza kwemithombo yamanzi. Kodwa ngamanye amazwi, amanzi asitholakala asingafanele ukudla, noma kufuneka amanzi angaphezu kwezinye izinqumo. Lokho ke yizinhlobo zezinkampani ezithile. umpumpa wamanzi lezi zinkampani zinconywa ukuthola amanzi othandayo, ukuchitha kanye nokubheka amanzi. U-Dinghui uyathenga izinkampani zonke zezinhlobo zokuphelele zokusebenzisa amanzi ngokuphelele ukuze izindustria nezibopho zisebenze ngokuphelele. Sizazi ukuthi unqoba kangakanani amanzi okuhle, futhi sizoyincoma.