Wararka Shirkadda
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Shahaadada qaboojiyaha: USA UL Shahaadada Talaajad & Qaboojiyaha Suuqyada Mareykanka
Waa maxay Shahaadada UL (Underwriters Laboratories)? UL (Underwriter Laboratories) Sheybaarada Hoosta (UL) waa mid ka mid ah shirkadaha shahaadaynta badbaadada ugu da'da weyn. Waxay cadeeyaan badeecadaha, tas-hiilaadka, hababka ama nidaamyada ku salaysan heerarka warshadaha oo dhan....Sii akhri -
Shahaadada qaboojiyaha: Mexico NOM Shahaadada Talaajad & Qaboojiyaha Suuqa Mexico
Waa maxay Shahaadada NOM ee Mexico? NOM (Norma Oficial Mexicana) NOM (Norma Oficial Mexicana) shahaado waa nidaam heerar farsamo iyo xeerar lagu isticmaalo Mexico si loo hubiyo badbaadada, tayada, iyo u hogaansanaanta badeecadaha iyo adeegyada kala duwan. Heerarkan a...Sii akhri