Ubukhulu becala sivelisa i-oyile yesamente kunye nezongezelelo zokomba, njengolawulo lokulahleka kolwelo, i-retarder, i-dispersant, i-anti-gas imgration, i-deformer, i-spacer, ulwelo olugungxulwayo kunye njl.
Ewe, sinokunikezela ngeesampuli zasimahla.
Ewe, sinokukunika iimveliso ngokweemfuno zakho.
UMntla Melika, iAsia, iYurophu kunye neminye imimandla.