-Amerika, Canada- cTUVus&ETL
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Amerika, Canada- cTUVus&ETL
▍CTUVus & ETL CERTIFICATION ke eng?OSHA (Occupational Safety and Health Administration), e ikopantseng le US DOL (Department of Labor), e batla hore lihlahisoa tsohle tse tla sebelisoa mosebetsing li lokela ho lekoa le ho fuoa setifikeiti ke NRTL pele li rekisoa 'marakeng.Litekanyetso tse sebetsang tsa liteko li kenyelletsa maemo a American National Standards Institute (ANSI);Litekanyetso tsa American Society for Testing Material (ASTM), maemo a Underwriter Laboratory (UL), le mekhatlo e amohelang batho ba feme...