Wararka Shirkadda
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Shahaadada Qaboojiyaha: Qaboojiyaha iyo Qaboojiyaha Shahaadaysan ee USA UL ee Suuqa Mareykanka
Waa maxay Shahaadada UL (Laboratories Underwriters)? UL (Laboratories Underwriters) Shaybaarada Underwriters (UL) waa mid ka mid ah shirkadaha ugu da'da weyn ee shahaadada badbaadada. Waxay shahaadeeyaan alaabada, xarumaha, hababka ama nidaamyada iyadoo lagu saleynayo heerarka warshadaha oo dhan....Akhriso wax dheeraad ah -
Shahaadada Qaboojiyaha: Qaboojiyaha iyo Qaboojiyaha Shahaadaysan ee Mexico NOM ee Suuqa Mexico
Waa maxay Shahaadada NOM ee Mexico? Shahaadada NOM (Norma Oficial Mexicana) Shahaadada NOM (Norma Oficial Mexicana) waa nidaam heerar farsamo iyo qawaaniin ah oo loo isticmaalo Mexico si loo hubiyo badbaadada, tayada, iyo u hoggaansanaanta alaabada iyo adeegyada kala duwan. Heerarkan a...Akhriso wax dheeraad ah