Ana ƙididdige ma'auni na plywood na birch bisa ga lahani kamar kullin rayuwa (ƙulli mai rai, matattu kulli, leaking kulli), lalata (lalacewar itacen zuciya, lalata sapwood), idanuwan kwari (manyan idanuwan kwari, ƙananan idanu kwarin, gungun kwari na epidermal), fasa (ta tsagewa, ba ta fasa ba), lankwasawa (transv...
Kara karantawa