-America, Canada- cTUVus&ETL
utumiki
-
North America- cTUVus&ETL
▍ Mawu Oyamba Bungwe la Occupational Safety and Health Administration (OSHA) lomwe lili pansi pa Dipatimenti Yoona za Ntchito ku United States limafuna kuti zinthu zomwe zimagwiritsidwa ntchito kuntchito ziyesedwe ndi kutsimikiziridwa ndi labotale yovomerezeka m'dziko lonselo zisanayambe kugulitsidwa pamsika. Miyezo yoyesera yomwe imagwiritsidwa ntchito ikuphatikiza American National Standards Institute (ANSI); American Society for Testing and Equipment (ASTM); Underwriters Laboratory (UL); ndi mulingo wa bungwe lofufuzira pakuzindikirana kwa mafakitale. ▍Chidule cha...