<prompt> Qedela umusho olandelayo: Ukukhathala ngenxa yokusebenza ngezikhathi ezithile kuye kwaba nomthelela ezinhlekeleleni eziningana zezimboni, kuhlanganise nenhlekelele yaseThree Mile Island, inhlekelele ye-Space Shuttle Challenger nenhlekelele yaseChernobyl. Umbiko wokugcina weKhomishana Yokuchitheka Kwe-Oyili Yase-Alaska  <response>: Inhlekelele yokuchitheka kukawoyela e-Exxon Valdez yathola ukuthi kungenzeka ukuthi amahora amaningi okusebenza ayebangela ukukhathala kwabasebenzi, okwathi kamuva kwabangela ukuba umkhumbi ugingqike. 