It's neither a design issue nor a construction issue. The CANDU 6 is a very robust design. It has a lot of redundancy built into the design. This has to do with going through refurbishment and focusing on refurbishment [Inaudible—Editor] reactor.
Coming out of refurbishment, the focus was on meeting regulatory requirements post-refurbishment. This had to do with making sure that we made the Fukushima upgrades, and that we upgraded our fire systems.
Then we realized that we needed to make sure that we met the latest industry standards on equipment reliability. That's why we've turned our focus on this aggressive preventive maintenance to make the plant more reliable.