Cov khau ua haujlwm
Peb tsim cov khau ua haujlwm ua haujlwm, nrog rau cov khau uas muaj kev nyab xeeb zoo li kev tiv thaiv cov khoom lag luam zoo li cov khoom lag luam outri-}
Cov khau ua haujlwm ua haujlwm: Cov khau tsis tuaj yeem tiv thaiv), cov khau ua haujlwm (steel-full), tiv thaiv cov khau zoo nkauj (ESD-muaj kev nyab xeeb)
Raws li ib qho ntawm cov kws tshaj lij ua haujlwm khau tsim ua haujlwm hauv Suav cov khoom lag luam ntawm peb cov Hoobkas ua haujlwm so thiab tam sim no .