12. I-Spandex: I-synthetic fiber, okungukuthi, i-frame core, inezici zokunwebeka okuphezulu, ukunwebeka okuphezulu, nokumelana ne-asidi engcono, ukumelana ne-alkali, ukumelana nokukhanya, nokungazweli ukuhuzuka. 13. I-Polypropylene: I-Polypropylene igama elinezici zesiShayina. Eqinisweni, kufanele...
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