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Underground mining with Shuttle Cars and Joy Loaders .
mechanized quarry with shovel dumpers.
worked in highly mechanized shaft-sinking.
Horizon Mining design for multi-seam extraction.
blasting in tunneling through coal-measure rocks.
as Manager of Bye-product Coke Ovens and achieved record production
Underground mining with stowing.
As Area Safety Officer reduced accidents from 80%.
Side Discharge Loader (SDL) in underground mining.
improving production of mechanized Soft-Coke Plant.
Computerized scheduling and monitoring of construction projects.
Rescue of 65 trapped workers underground through large diameter drilled borehole, making a world record.