nuclear fission is a mean of milliliters
fission_bomb is weapon_of_mass_destruction. fission is nuclear_reaction. multiple_fission is reproductive_fission. fission_bomb is nuclear_weapon. fissionable_material is nuclear_fuel. uncontrolled_nuclear_fission is nuclear_fission. nuclear_fission is spewing. atomic_bomb is fission_weapon. nuclear_fission is nuclear_process. controlled_nuclear_fission is nuclear_fission.