Stop screws ndi mtundu wapadera wa zomangira zomangira, zomwe nthawi zina zimatchedwa zomangira zotsekera.Zomangira zoyimitsa zidapangidwa kuti ziteteze kumasuka kwachilengedwe chifukwa cha kugwedezeka kapena zinthu zina.Nthawi zambiri, zomangira zimapangidwira m'njira zosiyanasiyana kuti zitheke zokhoma, kuphatikiza, koma osati ku: 1. ...
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