<prompt> Bhala okuqhubekayo kwalesi sigaba - Ukusetshenziswa kwe-lead wool radiation shielding kanye ne-plastics evaliwe ngokushisa ekulawuleni ukungcoliswa ezitshalweni zamandla enuzi ezentengiselwano kwathatha ukukhuphuka okukhulu ngo-1979 ngenxa yengozi yenuzi  <response>: eThree Mile Island. Lokhu kwaholela ekuqashweni kukaRon Therrien kusuka ku-RPS ye-Electric Boat ngo-1983 ukubhekana nemakethe eyandisiwe yemikhiqizo ye-Lanc kuzo zonke izitshalo zamandla kagesi eziphethwe yi-nuclear eziseNyakatho Melika. 