Such weakening may have been caused by any or all of the following: Constant stretching under heavy loads; Stowing away wet; Subjection to extremes of heat and damp.
Ukudododbalisa okunjalo kusenokuba kwenziwe yenye yezi zinto zilandelayo okanye zonke: Ukureka okungaguquguqukiyo phantsi kwemithwalo enzima, kubekelwe kude okumanzi, ukuba phantsi koxinzelelo lokutshisa ngokugqithisileyo kunye nobumanzi obugqithisileyo