Kugwiritsa ntchito kasamalidwe ndi kasamalidwe ka ogwira ntchito, makina, zinthu, njira, chilengedwe ndi kuyeza kwa ntchito yothandiza, WRN imakhazikitsa dongosolo lathunthu la machitidwe owongolera, limalimbikitsa mwachangu kupanga zowonda ndikumanga bizinesi yodalirika.
SYSTEM CERTIFICATION
PRODUCT CERTIFICATION
MALO OYEZERA AKAKHALIDWE
Ntchito yopanga mafilimu obiriwira
Mayeso oyesera
Kuyeza
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Kuyeretsa mpweya
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Mphamvu zopanda mphamvu
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Zogulitsa
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Kupanga zinthu
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