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Phala la ulusi wa kaboni wopangidwa ndi madzi
Zogulitsazi zimagwiritsidwa ntchito kwambiri m'magawo olimbana ndi moto, kutchinjiriza kutentha, kulowetsa fyuluta, kuteteza maginito, kutentha kwamagetsi kogwira ntchito kwambiri, ndi mabatire atsopano amphamvu.
