Pedzisa mutsara unotevera: Kushandiswa kwematombo emvere dzomutobvu anodzivirira mwaranzi uye mapurasitiki anodzivirira kupisa mukudzivirira kusvibiswa mumagetsi emagetsi enyukireya emagetsi akawana kuwedzera kunoshamisa muna 1979 somugumisiro we
tsaona yenyukireya paThree Mile Island. Izvi zvakatungamirira kuhaya Ron Therrien kubva Electric Boat kuti RPS muna 1983 kuti vataure kuwedzera musika Lancs zvigadzirwa zvose yemagetsi utility-vaiva simba renyukireya Zvivako iri North America.