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Darrel Graf

April 25, 2014
FNS Photo by David Luessen
Firefighting equipment inventor Darrell Graf explains the controls of the Foam Cannon 2000 he developed in response to the oil train derailment in Casselton on Dec. 30. “You could teach a third-grader how to run this thing,” he said.
Medina man creates foam cannon: Inspired by train disasters, ND inventor develops new firefighting equipment
April 25, 2014 - 11:21pm