● M'litali ndi m'lifupi mwake khola limatha kusinthika, ndipo limagwirizana ndi kukula kwake kosiyana ndi kukula kwa nkhumba.
● Anti kukanikiza bar, kuchepetsa liwiro la nkhumba kunama, kuteteza ana a nkhumba kuti akanikiza.
● M'munsi mwa khola la nkhumba, ng'ombe zogona bwino, zoyamwa mosavuta.
● Podyera zitsulo zosapanga dzimbiri, zosavuta kupasuka ndi kuchapa.
● Ana a nkhumba PVC panel, zabwino zotchingira mphamvu, mphamvu mkulu ndi zosavuta kuyeretsa ndi kupha tizilombo, ndi zabwino ku thanzi la ana a nkhumba.