Inkomba ye-MOS: Isibopho sokwakha esisebenzisa amanzi, esenziwa ngokugaya i-clinker ye-calcium silicate kanye ne-gypsum. Yisona sithako esiyinhloko sokhonkolo, sodaka nesokugcwalisa imihubhe: sixutshwe namanzi, siyamunca amanzi, sibambe bese siqina. Uhlobo I lwesivamile lwenjongo evamile; uhlobo III (olubamba ngokushesha) lufinyelela amandla aphezulu kusenesikhathi, lokuthela kubanda nokulungisa okuphuthumayo.