<prompt> Bhala okuqhubekayo kwalesi sigaba - Izinkinga zeStone Webster ekwakheni izitshalo zamandla ezivamile zazihambisana nezinkinga zayo ekwakhiweni kwamandla enuzi. Ngasekupheleni kwawo-1970, inkampani yayisifinyelele indima ebalulekile embonini yamandla enuzi - ingxenye enkulu yawo wonke amandla enuzi e-United States yayikhiqizwa ezitshalweni ezakhiwe futhi zakhiwa yiStone Webster. Ngo-1975, le nkampani yayikhethelwe ukwakha iClinch River Breeder Reactor. Kodwa-ke, ukwanda kokuphikiswa komphakathi ekwakhiweni kwezitshalo zamandla enuzi, ukubambezeleka okude okulethwe yizikhalo phambi kwamakhomishini ezisetshenziswayo zomphakathi, kanye nokwanda okuhambisanayo kwezindleko zokwakhiwa kwezitshalo, okuvalwe yisigameko  <response>: eThree Mile Island ngo-1979, kwabangela ukumiswa kokwakhiwa kwezitshalo ezinkulu zenuzi nokwesulwa kwama-oda amaningi akhona. 