/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: gwilymhowes https://cdn.slidesharecdn.com/profile-photo-gwilymhowes-48x48.jpg?cb=1523491766 Mining Engineer South African Mine Manager's Certificate of Competency. MBA (Wales) Principal Risk Engineer for a London Company that specialises in Engineering Mining Risk and the Underwriting of Mining Property Risk.