Kalmar "bushe bango" tana nufin wani nau'in kayan gini da ake amfani da shi don ƙirƙirar bango da rufin ciki. Drywall, wanda kuma aka sani da gypsum board ko plasterboard, panel ne da aka yi da filastar gypsum wanda aka matse tsakanin takarda mai kauri biyu. Shahararren abu ne don yin gini saboda yana da sauƙin shigarwa, mai tsada, kuma ana iya gamawa don ƙirƙirar ƙasa mai santsi da mara kyau don zane ko zanen fuskar bangon waya.