nuclear fission pit stripe touch
fission is nuclear_reaction. natural_nuclear_fission_reactor is uranium. fission_weapon is nuclear_weapon. fission_bomb is nuclear_weapon. nuclear_fission is spewing. uncontrolled_nuclear_fission is nuclear_fission. fission_rocket is nuclear_rocket. single_nuclear_fission is nuclear_event. nuclear_fission is nuclear_process. controlled_nuclear_fission is nuclear_fission.