people you converted from hexphoric form to oxide form. it's still there. there has been some amount blended down and that's gone. more than enough for a bomb if you think of netanyahu's way of thinking about this. that amount still is there. it is just in oxide form. therefore it takes longer and that's good. you would have to go back -- how much will be there in a final deal? we think there will be some. we look at 50 kilograms. that can effect breakout. you do want to drive down the amount. the level of driving down the level of 3.5% can have a very positive impact on the breakout times. and it gets -- i think it is one of the reasons why the u.s. raised their number from around 1,500 to 2,000 up to 4,000 is they feel that if they drive down the stocks significantly then their breakout time will remain at 12 months if but they can go up to a higher number of centrifuges. i think we and my group and u.s. government agree is that you can't let it go up to 10,000, 8,000 because, again, these centrifuges are making these all the time. they are making so much