C72900 ke Cu15Ni8Sn e thehiloeng koporo e thehiloeng metastable metastable alloy e matlafalitsoeng e sebetsang hantle haholo.
* Finyella motsoako oa ho tiea ho hoholo le matla a phahameng.E khona ho mamella litlamorao tse matla.E ka kopana le litlhoko tse thata ka ho fetisisa tsa moroalo o tsitsitseng oa sebopeho le khatello.
* Ts'ebetso e ntle haholo ea li-anti-wear bear, ka ts'ebetso ea bohlokoa ea ho itlotsa ka tlhaho ntle le ho ts'oaroa ha likhohlano, ke sesebelisoa se hlokahalang bakeng sa thepa ea sefofane e kholo, hape ke karolo e ratoang ea likhohlano tsa molamu o kopanyang oli.
* E loketse mefuta eohle ea tikoloho e nang le asiti kapa metsi a letsoai, ho hanyetsa kutu e phahameng ea mocheso.

Indastering ea oli, alloy ea CuNiSn le eona e ka sebelisoa ho anchor ea hydraulic, ho kopanya molamu oa liliba tsa oli, ho rema lifate ha ho ntse ho cheka(LWD), ho beha sehlahla le washer ea thrust.