NEWBURGH, IN. Aug. 6, 2018 – Matrix Design Group, LLC (Matrix) announced today that its IntelliZone proximity detection system has received IECEx approval from the Department of Industry’s Mine Safety Technology Centre in Thornton, NSW, Australia. Originally introduced to the North American coal mining market in 2009, IntelliZone is the leading proximity detection system in the U.S. and South Africa. IntelliZone’s advanced software positioning system provides precise location of personnel around mobile machinery, allowing it to perform successfully in even…