 from reduced electricity use versus mercury contained and possibly spilled from complex fluorescent lights, but one of the great things about the change that we'll be making with this new legislation is we go beyond CFLs and we go to the better technology, which is LEDs, which don't have that danger. Secondly, on the exchangeable lighting sources, I'm afraid we don't go as far in these texts as they stand at the moment, as Mr. Liza has asked,