Kodwa sibhala ngokuhlanya amanzi, ikakhulu emizini yezindustria noma emazinkampani okuhlanya amanzi esihlwayo apho kunezinto ezingafanele ukubuyiselwa, sizisebenzisa isitanki sokugcina. Khumbula njengomkhumbi omkhulu ongakwazi ukuzimela apho amanzi ayenza ukuphepha kakhulu. Izinto ezingaphansi, ezibizwa ngokuthi izilwane zokugcina, zihlanya phansi ngoba azenzi ukufana nokuzimela. Le qhakaxa iyisikhundla esibalulekileyo ekufakweni kwamandla amanzi amhloter. Kwa-Dinghui, sizazi ukuthi lokhu kuyisikhundla esibalulekileyo kwezindustria, futhi sizihlalela kakhulu ukwenza lezi zitanki zisebenze kahle kakhulu. Akukho kuphela ukwakha isibhakabhaka; kukho ukuthi kufanele kube nomfanekiso owenziwe ngendlela yokugcina yamandla, ukuze amanzi okuhamba ngaphandle ayibe amhloter kakhulu. Sibona izinkinga eziningi, kusuka kwezinkampani ezingaphezulu kuya kwezinkampani ezingaphansi, futhi ngalokho kufanele kwenziwe indlela eyodwa ukuze kutholakale umphumela omuhle kwezitanki zabo. Kuyisibonelo sokukhetha lokhu izinkambo zokugcina izilwane ngokuhle ; akukho ukusebenzisa isikruludrayiva esincane ukwakha indlu, ngiyakuthi? Usayizi, isifunda, nokuvuka kwamandla yamandla yonke kuyisikhundla esibalulekileyo. Sizithemba kakhulu ukuthi sizosiza abasebenzi ukuthola ukuthi kuyisifundo esihle kakhulu ukuze ukuhlanya kwamandla kwezindustria kubaluleke.