<prompt> Pedzisa mutsara unotevera: Fishman, zvisinei, anotaura mupepa kuti nzira yakavhenganiswa yedzidziso inogona kunge isingashande mumamiriro ese ezvinhu ekukurukurirana kwedambudziko. Zvisinei, anowana zviitiko zvakawanda umo nzira yake yakavhenganiswa yaishandiswa. Pakati paivava pane nhau dzechiito chakaipa chevatano cheUnited States Navy muna 1991 muTailhook, tsaona yeTylenol ye1982 yecyanide,  <response>: Exxons 1989 Valdez kudonha kwemafuta, nezvimwe. 