Common kupunduka ndi zimayambitsa mipope zitsulo Zitsulo mipope ndi dzenje ndi elongated zitsulo mipiringidzo, makamaka ntchito mafakitale kufalitsa mapaipi ndi makina structural zigawo zikuluzikulu monga mafuta, mankhwala, mankhwala, chakudya, makampani kuwala, makina zida, etc. Koma mu moyo weniweniwo ntchito, mapaipi achitsulo a...
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