acts as good moderator

produces maximum steam

transfers heat from core at a fast rate

breeds neutrons

fast

slow

in bulk

static

used fuel should be reprocessed

moderator should be used

coolant should be employed

control rods should be used

chain reaction can be initiated

it becomes uncontrollable

it explodes

it produces no power

infinite

zero

exactly balanced by the loss of neutrons through leakage

initiated