Dee a n'ihu maka paragraf a - The ojiji nke edu owu radieshon echebe na okpomọkụ-emechi plastik maka mmetọ akara na azụmahịa nuclear ike osisi were a dị ịrịba ama upswing na 1979 dị ka a N'ihi nke nuclear mberede
na Three Mile Island. Nke a dugara n'ịgba Ron Therrien site na Electric Boat's RPS na 1983 iji lebara ahịa gbasaa maka ngwaahịa Lancs na ụlọ ọrụ nuklia niile nwere ọkụ eletrik dị na North America.