Occupational Safety in Electrical Installations 2021 Petro Prof - ПетроПроф - World Latest Movie, Series, Videos and Trailers | fetery.com

Occupational Safety in Electrical Installations 2021 Petro Prof

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ПетроПроф

Published on Mar 15, 2021

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Changes to the rules for labor protection in electrical installations in 2021. Autonomous non-profit organization of additional professional education "Educational center" PetroProf "(ANO DPO "OC" PetroProf ") +7 (812) 441-34-50, +7 (911) 958-958-8 https://vk.com/petroprof http://www.petroprofa.ru/

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