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|Through partnering with mining customers, DYNO has been able to develop some specific technologies that benefit blasting operations particularly in underground mining. Some of these areas are: 1. Cost allocation and product tracking systems; 2. Borehole video surveys of breakthrough blastholes; 3. Borehole video photography for logging VRM blastholes; 4. Toe-load uphole loading for sublevel cave mining operations; 5. 3D blast modelling for underground ring blasting. This paper outlines these developments in the context of a Canadian underground metalliferous mine.|