-Amerika, Kanada- cTUVus&ETL
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Amerika, Kanada- cTUVus&ETL
▍Apa iku CTUVus & SERTIFIKASI ETL?OSHA (Occupational Safety and Health Administration), afiliasi karo US DOL (Departemen Tenaga Kerja), nuntut supaya kabeh produk sing bakal digunakake ing papan kerja kudu diuji lan disertifikasi NRTL sadurunge didol ing pasar.Standar pengujian sing ditrapake kalebu standar American National Standards Institute (ANSI);Standar American Society for Testing Material (ASTM), standar Underwriter Laboratory (UL), lan organisasi mutual-recognition pabrik...