Irin wannan nau'in samfurin filastik ya ƙunshi kebul na mota, madaurin ƙarfe da aka riga aka rigaya, murfin bututun ƙarfe na ƙarfe, murfin sarkar ramuwa da dai sauransu Zabi murfin matsi mai ƙarfi ko ƙaramin matsin lamba bisa ga ƙaƙƙarfan matakin kayan aiki.
Muamfani