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
Ma midadada konkire ndi zida zomangira zofunika pantchito yomanga ndipo kupanga midadadayi kumafuna kugwiritsa ntchito makina apadera monga makina opangira simenti ndi makina osindikizira. Makinawa amagwira ntchito yofunika kwambiri
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?
Njerwa ndi zida zomangira zodziwika bwino, ndipo zimagwiritsidwa ntchito kwambiri m'magawo ambiri. Monga imodzi mwa mafupa omanga, kufunikira kwa njerwa kukukulirakulira pang'onopang'ono. Inde, njirayi ndi yosasiyanitsidwa ndi kugwiritsa ntchito makina opangira njerwa. Ndi ver