HALIFAX – A fan whirs noisily in the small, second-storey room of a downtown Halifax office tower as Dan Friesen turns on the homemade spot welder he has brought along for show-and-tell. He points out ...

HALIFAX - A fan whirs noisily in the small, second-storey room of a downtown Halifax office tower as Dan Friesen turns on the homemade spot welder he has brought along for show-and-tell. *Special ...