Official Answer
Answer
Kwangirika kwangirika kugaragara nkifu yumutuku wijimye (mubyuma) cyangwa ibyobo byirabura (mumashanyarazi) aho bihurira hagati yimpeta na shobuja. Iterwa na microscopique ugereranije igenda (kunyerera) munsi yumutwaro. Mu mpeta izenguruka, ibi bikunze kubaho iyo imbaraga 'zifatika' zidahagije kugirango tuneshe imbaraga zidafite imbaraga zimpeta. Kugirango usuzume, reba 'polishing' cyangwa 'galling' kumpeta. Kugira ngo ugabanye, koresha amavuta yumye (nka $ MoS_2 $), ongera impagarike yimpeta, cyangwa ukoreshe ibikoresho bifite uburemere buke. Mugihe udasuzumwe, guhagarika umutima bizatera umunaniro no kunanirwa gutunguranye.
