MP (Mechanical polishing): isanzwe ikoreshwa murwego rwa okiside, umwobo, hamwe no gushushanya hejuru yimiyoboro yicyuma. Umucyo n'ingaruka zabyo biterwa n'ubwoko bwo gutunganya. Byongeye kandi, gukanika imashini, nubwo ari nziza, birashobora kandi kugabanya kurwanya ruswa. Kubwibyo, iyo bikoreshejwe mubidukikije byangirika, birakenewe kuvura passivation. Byongeye kandi, akenshi usanga hari ibisigazwa byibikoresho bisigaye hejuru yicyuma.