Tabbatar da Takaddun Takaddun Tsaro: Nemo caja na EV waɗanda aka ƙawata da takaddun shaida kamar ETL, UL, ko CE. Waɗannan takaddun shaida suna jaddada bin caja ga tsauraran aminci da ƙa'idodin inganci, rage haɗarin zafi mai zafi, girgiza wutar lantarki, da sauran tukunyar...
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