Menene bambanci tsakanin S1 da S2 tile m? Tile m wani nau'i ne na manne da ake amfani da shi don haɗa tayal zuwa sassa daban-daban, kamar su kankare, plasterboard, ko katako. Yawanci an yi shi da cakuda siminti, yashi, da polymer wanda aka ƙara don inganta mannewa, ƙarfinsa, da d...
Kara karantawa