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Ƙasƙaƙƙarfan ƙasa don gina hanya, titin bayyani, hanyoyin masana'anta, hanyoyin al'umma, titin titi, hanyoyin karkara da titin jirgin sama
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80-120 raga marmara farin foda ga albarkatun kasa na masana'antu, gini , dutse
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40-80Mesh farin marmara foda ga dutse, yi masana'antu
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40-80 raga siliki yashi 99% silicon abun ciki na masana'antu da ginin masana'antu albarkatun kasa
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20-40 raga siliki yashi tare da 99% silicon maida hankali ga masana'antu ma'adinai albarkatun kasa
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marmara farin foda don yin dutse da na sinadarai ko kayan kwalliya
