Mbiri ya rivets

Zovala zakale kwambiri zinali zikhomo zamatabwa kapena fupa.Kusintha koyambirira kwachitsulo kungakhale kholo la ma rivets omwe timawadziwa lero.Palibe kukayikira kuti ndi njira zakale kwambiri zodziwika bwino zolumikizira zitsulo, kuyambira pakugwiritsa ntchito chitsulo choyambirira.

Mwachitsanzo, m'nthawi ya mkuwa, Aigupto ankagwedezeka ndi kumangirira mafani asanu ndi limodzi a matabwa a kunja kwa gudumu lopota pamodzi ndi timiyala;Agiriki atapambana kuponya ziboliboli zazikulu mu mkuwa, adadula mbalizo ndi ma rivets.