Pòt dife asye (ki gen ladan pòt sèl, pòt mèt timoun, doub pòt). Ka asye pòt dife pòt fanatik ap divize an twa estanda dapre epesè nan diferan a, pi wo a estanda a, izolasyon an son nan pòt la dife, efè izolasyon chalè se pi bon.

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