General Industrial News   Press Contact General Press Inquiries Karrah Roehm  Marketing Communications Coordinator  (812) 948-2118, ext. 160 karrah.roehm@kennametal.com    International Powder and Bulk Solids Donald E. Stephens Convention Center Rosemont, IL May 5-8, 2008    Global Petroleum Show Stampede Park Calgary, CA June 10-12, 2008    Oilsands Tradeshow & Conference Northlands Edmonton, AB September 23-24, 2008