-ʻAmelika, Kanada- cTUVus&ETL
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ʻAmelika, Kanada- cTUVus&ETL
▍He aha ka cTUVus & ETL CERTIFICATION?ʻO OSHA (Occupational Safety and Health Administration), pili i ka US DOL (Department of Labor), koi i nā huahana a pau e hoʻohana ʻia ma kahi hana pono e hoʻāʻo a hōʻoia ʻia e NRTL ma mua o ke kūʻai ʻia ʻana ma ka mākeke.ʻO nā kūlana hoʻāʻo kūpono e pili ana i nā maʻamau American National Standards Institute (ANSI);Nā kūlana o ka American Society for Testing Material (ASTM), nā kūlana Underwriter Laboratory (UL), a me ka hui ʻike ʻana o ka hale hana ...