Ibicuruzwa bya OEM byabigenewe ni ibice byibyuma byateguwe kandi bikozwe muburyo bwihariye kubakora ibikoresho byumwimerere (OEM) nibisabwa byihariye.
Ibi bice bikozwe mubikoresho bitandukanye byamabati nkibyuma, ibyuma bitagira umwanda, aluminium na muringa, kandi bihimbwa hakoreshejwe tekinike nko gukata, kunama, gusudira no gutera kashe.