-lrb- i -rrb- other $ 4.900 billion -lrb- $ 4.788 billion -rrb- are appropriated for promoting the development of nuclear reactor dismantling technology , which can be put to use in future measures for discontinuing commercial nuclear reactors such as jaeri 's power test reactor -lrb- jprd -rrb- ; for developing technology for uranium enrichment by means of the atomic laser method ; and for aiding in the development of radioactive waste processing and disposal technology .