Precast buildings are much more affordable and really easy to build in 20 days nyumba ishakua tayari unlike zile za mawe which is much more expensive and takes much time and labour in construction. Wewe kama msee wa construction ushaipatana na kazi ya kusimamisha nyumba kama , challenges na benefits inaeza kua gani ? Link: https://vm.tiktok.com/ZM67D...