Open this photo in gallery: Ian Leslie Edwards, CEO of SNC Lavalin, in Castel Rigone, Umbria, Italy on Sept. 30.Fabrizio Troccoli/The Globe and Mail Ian Leslie Edwards shares a few numbers to reveal how the touted revival of the nuclear industry could turn the Canadian engineering company he leads, Montreal’s SNC-Lavalin Group Inc. SNC-T, owner of Candu nuclear technology, into a global energy force. “In the 70s and 80s, about 600 nuclear reactors were built around the world, of which 33 were Candu, say 5 per cent,” he says. “Most of these 600 reactors are near the end of their…