Ku sii qor faqradan - Naqshadeynta fal-celinta oo habka "aasaasiga ah" ee nabdoon uu si toos ah u bixiyo qaybta badbaadada "joogtada ah" inta lagu jiro xaalad cillad gaar ah "dhammaan" hababka hawlgalka ayaa sida caadiga ah lagu tilmaamaa inay tahay mid si xad dhaaf ah looga badbaadi karo xaaladda cilladda. Si kastaba ha ahaatee inta badan reactors biyaha la qaboojiyey iyo -moderated hadda, marka scrammed, ma ka saari kartaa wax soo saarka haray iyo kulaylka qudhunka labada geedi socodka wareejinta kulaylka ama nidaamka qaboojinta firfircoon la'aan. In si kale loo dhigo, halka habka wareejinta kulaylka asal ahaan ammaan ah waxay bixisaa qayb ka mid ah ammaanka ee firfircoon ka hortagga kulaylka xad-dhaaf ah inta qalabka la shaqeeya waa, habka la mid ah asal ahaan ammaan ah wareejinta kulaylka "ma" bixiyaan qayb ka mid ah ammaanka ee firfircoon haddii qalabka la xidhay (SCRAMed). Shilkii Three Mile Island
Waxay soo bandhigtay cilladdan naqshadeynta: fal-celinta iyo matoorka uumiga ayaa la xiray laakiin luminta qaboojinta weli waxay la kulantay dhalaal qayb ahaan ah.