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Tsogolo la Kutumiza Mphamvu: Chifukwa Chake Ma Pulleys ndi Sprockets Amakhala Ofunika Padziko Lonse Lamagetsi
Pamene mafakitale padziko lonse lapansi akusintha kupita kumagetsi ndi makina opangira makina, mafunso amabuka okhudzana ndi kufunikira kwa zida zotumizira mphamvu zachikhalidwe monga ma pulleys ndi sprockets. Pomwe makina oyendetsa magetsi akuchulukirachulukira ...Werengani zambiri
