<prompt> Nyorai kupfuurira kweiyi ndima - Matambudziko aStone Webster pakuvaka zvirimwa zvemagetsi zvenguva dzose akaenzaniswa nezvinetso zvayo mukuvakwa kwenyukireya. Pakupera kwema1970, kambani yakanga yawana basa guru muindasitiri yesimba renyukireya - chikamu chakakosha chesimba renyukireya rose muUnited States chakanga chichigadzirwa muzvirimwa zvakagadzirwa nekugadzirwa neStone Webster. Muna 1975, kambani yacho yakanga yasarudzwa kuvaka Clinch River Breeder Reactor. Zvisinei, kushorwa kuri kuwedzera kwevanhu pakuvakwa kwenzvimbo dzesimba renyukireya, kunonoka kwenguva refu kunokonzerwa nematambudziko pamberi pemakomisheni ehurumende, uye kuwedzera kunoenderana kwemitengo yekuvaka chirimwa, kwakapedzwa nechiitiko ichi.  <response>: paThree Mile Island muna 1979, kwakaguma nokumisa kuvakwa kwenzvimbo huru dzesimba renyukireya uye kubviswa kwemirairo yakawanda yakanga iripo. 