dr.amirhossein.Keshavarz hazmat safety @UCJIf3kXL0ks0V_rIyhLkGtA@youtube.com
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Hazmat specialist, safety officer PhD of nuclear energy engi Suscribe Rss feed
Hazmat specialist, safety officerPhD of nuclear energy engineering safetyدکتری تخصصی مهندسی انرژی هسته ای. مشاور انرژی ونفت و گاز.مدیر گروه hse