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, ukureka kunye nokuncipha kubukhulu kubalulekile, kodwa akunakubekwa mithetho enokusetyenziswa ekufumaneni iqondo lokwehla kwamandla okutsaleka okuthe kwenzeka.