Dzina lonse la FFU ndi gawo losefera. Fan fyuluta yolumikizira imatha kulumikizidwa mwanjira yofananira, yomwe imagwiritsidwa ntchito kwambiri m'zipinda zoyera, malo oyera, mizere yoyera yopangira, zipinda zoyera komanso chipinda choyera cha kalasi 100, ndi zina. FFU ili ndi magawo awiri a filtrati...
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