Yuav txiav Kevlar li cas?Kevlar yog ib hom hluavtaws fiber ntau uas paub zoo rau nws lub zog zoo kawg li thiab tiv thaiv tshav kub thiab puas.Nws tau tsim los ntawm Stephanie Kwolek hauv 1965 thaum ua haujlwm ntawm DuPont, thiab nws tau dhau los ua ...
Industrial vs. Tsev Fabric Tej Tshuab: Qhov txawv yog dab tsi?Industrial vs. Home Fabric Cutting Machines Fabric cutting machines yog ib qho cuab yeej tseem ceeb rau kev lag luam textile thiab tsev sewists ib yam nkaus.Txawm li cas los xij, muaj ...