Ho kopanya ka ho otloloha ha mehloli ea matla a ajoang ho marang-rang a sechaba ho netefatsa katleho ea lisebelisoa
E ts'ehetsa mefuta e mengata ea matla (mohlala, letsatsi, moea) mme e lumella katoloso ea sistimi e feto-fetohang.
E thusa ho hokahanya matla a hloekileng ho marang-rang, ho fokotsa ho itšetleha ka matla a setso le ho finyella lipakane tsa khabone e tlaase.
E tlatselletsa ts'ebetso ea marang-rang ho ntlafatsa botsitso ba sistimi ea motlakase.
Re ikemiseditse ho fana ka tshehetso e potlakileng, ya profeshenale ho etsa bonnete ba hore ditlhoko tsa hao tsa matla di kgotsofatswa kamehla ka tshebeletso e phahameng ka ho fetisisa.
Re mona ho araba lipotso tsa hau le ho fana ka litharollo tsa matla tse lumellanang hantle le litlhoko tsa hau.