1. Madzi abwinoumboni ntchito, madzi ochepa kuyamwa mlingo, kuvala mwamphamvu,pa kusinthika, eosavuta kuyeretsa, osawopsezedwa ndi mildew ndi chinyezi.
2. Pali machitidwe ambiri zopezeka, monga matailosi amtundu wa mchenga, matailosi a matabwa, matailosi a Cararra, matailosi amtundu wa Terrazzo, matailosi amawoneka a nsangalabwi ndi matailosi a konkriti etc.
3. Ma tiles a Yuehaijin amasangalala ndi kutchuka kwambiri pamsikaosati kokhachifukwa iwo alizabwino pamtengokomanso matailosi athu amatha kugwira zomwe zachitika posachedwa.
Nthawi yotumiza: Sep-22-2022