Fasteners yog cov neeg kho tshuab siv los txuas, kho, lossis lawv tau siv dav hauv cov tshuab, kev tsim kho, tshuab hluav taws xob, thiab lwm yam kev lag luam. Ntau yam tshuab thiab khoom siv hauv kev lag luam, cov fasteners tuaj yeem xyuas kom muaj kev nyab xeeb, kev ntseeg tau, thiab ruaj khov ...
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