Hobart Institute - Oxyacetylene Welding Demo Clip

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Hobart Institute's Oxyacetylene Welding demo. New from Hobart Institute of Welding Technology! To order complete training curriculum for your classroom, go to http://www.welding.org/c-43-oxyacetylene-welding-brazing-and-cutting.aspx

منتشر شده توسط: HobartInstitute1
تاریخ انتشار: ۸ سال پیش
دسته بندی: مردم و وبلاگ