Ibhokisi yokulawula okuphathelene nokulinda ukuvuthwa kwezindlela zezibopho ezikhomba amanzi amathamsanqa, amanzi, umlotha, noma izinwele ezikhomba amanzi amathamsanqa, kuyinto yezindlela zezibopho ezikhombisa amathamsanqa okuphathelene nokulawula nokulinda izinhlelo zezibopho ukuze kungavuthiwe izimpahla ezibopho. Leli bhokisi lokulawula libhekwe ngomthombo wekarboni, olunobungozi obungcono bezobuchwepheshe nokuphila, futhi lingathola izinhlamvu ezithile zokunquma nokunquma, okwenza kube khona ukuthi ibhokisi lokulawula libe yinkampani eyisikhungo kwezindlela zezibopho ezikhombisa amathamsanqa.