The sealing masana'antu ne mai muhimmanci foundational masana'antu yadu amfani a daban-daban masana'antu filayen, kamar petrochemicals, kwal sunadarai, injiniya inji, karfe, Pharmaceuticals, abinci, yadi, motoci, iyali kayan, da dai sauransu bisa ga rarrabuwa na kasa eco ...
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