1. Nylon jira Nylon ndiyo yekutanga faibha yakagadzirwa kuonekwa munyika.Iine hunhu hwekusimba kwakanaka, abrasion uye scratch kuramba, yakanaka tensile uye compressive kuita, yakasimba corrosion resistance, lightweight, kudhaya nyore, kuchenesa nyore, etc. Iro jira rekutanga c...
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