<prompt> Pedzisa mutsara unotevera: Muna 1989, zvikepe zvaCrowley zvakatanga kusvika panzvimbo yaitikira ngarava yaitakura zvinhu yainzi Exxon Valdez muPrince William Sound, kuAlaska. Nhamba  <response>: Exxon Valdez mafuta anodonha ndiyo yechipiri pakukura munhoroondo yeU.S. mushure me Deepwater Horizon, 2010 uye Crowley ndiye aiva mutengesi mukuru wemidziyo yemakungwa nevashandi vekuchenesa. Kuedza kudzivisa ngwavaira dzomunguva yemberi, Alyeska Pipeline Service Company yakaita chibvumirano naCrowley kuti ipe rubatsiro rwetangi uye basa rokuperekedza muValdez uye Prince William Sound vachishandisa zvikepe zvinokweva neunyanzvi hwakanakisisa huripo. 