Sputtering of the metal in the reactor due to fast neutrons, leading to embrittlement, large amounts of neutron activated waste, and an unreasonable maintenance

Sputtering of the metal in the reactor due to fast neutrons, leading to embrittlement, large amounts of neutron activated waste, and an unreasonable maintenance schedule. Lost energy due to said neutrons. Plus all of what has been said before me by DennisP.