Appearance, stretch and reduction in size are all important, but it is not possible to lay down rules which can be applied to determine the degree of deterioration in tensile strength which has occurred by these means.
Imbonakalo, ukuyeka nokuncipha kwesayizi konke kubalulekile kodwa akungebi yiyo ukuyilalisa phantsi kwemithetho enokuthi ithunyelwe ukuchaza iqondo lokwazeka koqino lwamandla athe enzeke ngokwezenzo.