Nws yog siv los ntsuas qhov tensile, kev loj hlob ntawm cov ntaub thiab cov khoom rov qab ntawm cov ntaub ntawm cov ntaub uas muaj tag nrho lossis ib feem ntawm cov xov paj rwb, thiab kuj tseem siv tau los ntsuas qhov elongation thiab kev loj hlob ntawm cov ntaub knitted uas tsis muaj elastic.