Zida zopangira simenti zimagwiritsidwa ntchito kwambiri pantchito yomanga. Zidazi, zomwe nthawi zambiri zimaphatikiza simenti, mchenga, madzi ndi zophatikizika, zimakhala ndi mphamvu zolimba komanso zopondereza, zomwe zimawapangitsa kuti azikonda zomanga ndi zomangamanga. Komabe, kugwiritsa ntchito ma cellulose ethers ngati chowonjezera ...
Werengani zambiri