Mukasankha rivet, zitha kuoneka ngati chinthucho chachotsedwa nthawi ina, komanso ngati chingagwiritsidwenso ntchito, chifukwa rivet imachotsedwa mwadzidzidzi ndipo singathe kuchotsedwa. Ma rivet alibe mano ndipo amagwiritsa ntchito mutu waukulu kuti zinthu zisatuluke. Zomangira zitha kuchotsedwa, zomangira kapena zomangira zitha kugwiritsidwa ntchito pazinthu zomwe zingagwiritsidwenso ntchito, zomangira zomangira zili ndi mano. Zomangira zodzigwira zokha zimalowa mwachindunji mu chinthucho, zomangira zomangira zimafunika kugwiritsa ntchito zofanana ndi mtedza.Tikagwiritsa ntchito, tingasankhe chinthu chomwe chili choyenera kwambiri malinga ndi zinthu zomwe zilimo komanso malo ogwiritsira ntchito.
Nthawi yotumizira: Januwale-06-2021