South Korea's nuclear commission on Thursday approved the restart of three nuclear reactors that were suspended after being found to have used substandard parts approved under fabricated quality The Nuclear Safety and Security Commission said it has approved the restart of the Shin Kori Reactor 1 and 2, and Shin Wolsong Reactor 1, effective immediately, as all problematic parts have been replaced. The three reactors had been undergoing a special inspection since late May when an internal investigation found that countless substandard control cables with fake quality certificates had been used in their construction.