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Isitifiketi Sesiqandisi: Ifriji neFreezer eqinisekisiwe yi-USA ETL yeMakethe yase-United States
Kuyini iSitifiketi se-ETL? I-ETL (Electrical Testing Laboratories) I-ETL imele amaLaboratories Okuhlola Ugesi, futhi iwuphawu lokuqinisekiswa komkhiqizo olunikezwa yi-Intertek, inhlangano yokuhlola nokuqinisekisa yomhlaba wonke. Isitifiketi se-ETL saziwa kabanzi...Funda kabanzi -
Isitifiketi Sesiqandisi: Ifriji Nesiqandisi Esiqinisekiswe yiCanada CSA seMakethe yaseNyakatho Melika
Kuyini iSitifiketi se-CSA? Isitifiketi se-CSA (Canadian Standards Association) I-Canadian Standards Association (CSA) yinhlangano enikeza isitifiketi kanye nezinsizakalo zokuhlola eCanada, futhi iyaqashelwa kokubili ezweni lonke nakwamanye amazwe. I-CSA Gro...Funda kabanzi -
Isitifiketi Sesiqandisi: Ifriji nefriji eqinisekisiwe yi-USA UL yeMakethe yase-United States
Kuyini i-UL Certification (Underwriters Laboratories)? I-UL (Underwriter Laboratories) I-Underwriter Laboratories (UL) ingenye yezinkampani ezindala kakhulu zokuqinisekisa ukuphepha ezikhona. Ziqinisekisa imikhiqizo, izikhungo, izinqubo noma izinhlelo ngokusekelwe ezindinganisweni zomkhakha wonke....Funda kabanzi -
Isitifiketi Sesiqandisi: Ifriji Nesiqandisi Esiqinisekisiwe SaseMexico NOM seMakethe yaseMexico
Kuyini iSitifiketi se-NOM saseMexico? Isitifiketi se-NOM (Norma Oficial Mexicana) Isitifiketi se-NOM (Norma Oficial Mexicana) uhlelo lwezindinganiso zobuchwepheshe kanye nemithethonqubo esetshenziswa eMexico ukuqinisekisa ukuphepha, ikhwalithi, kanye nokuhambisana kwemikhiqizo nezinsizakalo ezahlukahlukene. Lezi zindinganiso...Funda kabanzi
