Rubuta ci gaba don wannan sakin layi - An yi amfani da man fetur mai amfani da shi sosai don taimakawa wajen gyarawa na Exxon Valdez
a shekarar 1989. Masu cire man fetur sun bambanta da masu tsabtace wuraren wanka waɗanda aka tsara don makamancin haka amma manufa ɗaya.