Bolodi lakumbuyo, monga momwe dzinalo likusonyezera, ndi pepala lomwe limapereka chithandizo ndi chitetezo kumbuyo kwa chinthu chachikulu. Nthawi zambiri amapangidwa ndi zinthu zolimba komanso zolimba monga zitsulo, matabwa, kapena mapulasitiki apadera. Backer board imagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana, kuphatikiza zomangamanga, kukonzanso nyumba, ndi kupanga, ndipo ndi gawo lofunikira pakuwonetsetsa kuti ntchitoyo ikhale yokhazikika komanso yolimba.
