-Melika, Canada- cTUVus&ETL
inkonzo
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UMntla Melika- cTUVus&ETL
▍Intshayelelo I-Occupational Safety and Health Administration (OSHA) phantsi kweSebe lezeMisebenzi laseMelika ifuna ukuba iimveliso ezisetyenziswa emsebenzini zivavanywe kwaye zingqinwe yilabhoratri eyaziwayo kuzwelonke phambi kokuba zithengiswe emarikeni. Imigangatho yokuvavanya esetyenziswayo ibandakanya i-American National Standards Institute (ANSI); Umbutho waseMelika woVavanyo kunye neZixhobo (ASTM); ILabhoratri ye-Underwriters (UL); kunye nomgangatho wombutho wophando wokuqatshelwa kweefektri. ▍Amagqabantshintshi o...