-America, Canada- cTUVus&ETL

Sakatulani ndi: Zonse
  • America, Canada- cTUVus&ETL

    America, Canada- cTUVus&ETL

    ▍Kodi cTUVus & ETL CERTIFICATION ndi chiyani?OSHA (Occupational Safety and Health Administration), yogwirizana ndi US DOL (Department of Labor), ikufuna kuti zinthu zonse zogwiritsidwa ntchito kuntchito ziyenera kuyesedwa ndi kutsimikiziridwa ndi NRTL zisanagulitsidwe pamsika.Miyezo yoyezetsa yogwiritsidwa ntchito ikuphatikiza miyezo ya American National Standards Institute (ANSI);Miyezo ya American Society for Testing Material (ASTM), Miyezo ya Underwriter Laboratory (UL), ndi bungwe lozindikirana ndi fakitale ...