I suggest we wait or merge only one section I accept your thesis that the section pupose of using heavy water should be merged into the heavy water reactor article Would you be willing to move the merge header to just that section   In regards to the resulting loss of content I hope to be able to boost the content in this article with information on some of the different PHWR designs especially if more information on the Indian reactors becomes available after the implementation of the United StatesIndia Peaceful Atomic Energy Cooperation Act and related IAEA Safegaurds Agreement I suppose what Im really saying is that this is a work in progress from my perspective