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Kugwiritsa ntchito zida zozimitsa pafupipafupi

Kugwiritsa ntchito zida zotseketsa pafupipafupi

Kwa zida zogwirira ntchito zomwe zimasinthitsa katundu monga torsion ndi kupindika, zosanjikiza pamwamba zimafunika kupirira kupsinjika kwakukulu kapena kukana kuvala kuposa pachimake, ndipo pamwamba pa chogwiriracho chiyenera kulimbikitsidwa. Ndi oyenera zitsulo ndi mpweya zili We = 0.40-0.50%.