A cikin sashe na baya, mun yi magana game da yadda za a zabi allon KT da PVC bisa ga bukatunmu.Yanzu, bari mu magana game da yadda za a zabi wani kudin-tasiri yankan inji bisa namu kayan?Da fari dai, muna bukatar mu m la'akari da girma, yankan yanki, yankan acc ...
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