-America, Canada- cTUVus&ETL
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America, Canada- cTUVus&ETL
▍Iyini i-cTUVus & ne-ETL CERTIFICATION?I-OSHA (Occupational Safety and Health Administration), esebenzisana ne-US DOL (Umnyango Wezabasebenzi), ifuna ukuthi yonke imikhiqizo ezosetshenziswa emsebenzini kufanele ihlolwe futhi iqinisekiswe yi-NRTL ngaphambi kokuba idayiswe emakethe.Amazinga okuhlola asebenzayo ahlanganisa amazinga e-American National Standards Institute (ANSI);Amazinga e-American Society for Testing Material (ASTM), amazinga e-Underwriter Laboratory (UL), kanye nenhlangano yefekthri eqaphela mutual-recognition ...