-Amerika, Kanata- cTUVus&ETL
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Amerika, Kanata- cTUVus&ETL
▍He aha te cTUVus & ETL CERTIFICATION?Ko te OSHA (Occupational Safety and Health Administration), he hononga ki te US DOL (Te Tari Reipa), e kii ana me whakamatau nga hua katoa hei whakamahi i nga waahi mahi me te tiwhikete e te NRTL i mua i te hoko ki te maakete.Ko nga paerewa whakamatautau e tika ana ko nga paerewa American National Standards Institute (ANSI);American Society for Testing Material (ASTM) paerewa, Underwriter Laboratory (UL) paerewa, me te wheketere whakahaere whakamohiotanga tahi...