Mau oyamba a Cement and Block-Making BasicsCement ndi chomangira chofunikira kwambiri pakumanga, chofunikira popanga zolimba, kuphatikiza midadada ya konkire. Kufunika kwa simenti mu block-kupanga sikungatheke, chifukwa kumatsimikizira mphamvu
M'makampani omanga amphamvu, kufunikira kwa zida zomangira zapamwamba sikunakhalepo kwakukulu. Mwala wapangodya wa izi ndikugwiritsa ntchito makina opangira njerwa za simenti, zomwe ndizofunikira
Palinso mitundu yambiri ya makina a njerwa pamsika, pakati pawo pali makina a njerwa otchedwa konkire block machine. Koma kodi mukudziwa zozindikiritsa makina oyika njerwa? Kodi mukudziwa zomwe zilembo za nambala ya njerwa zimayimira?