<prompt> Qedela le nkulumo elandelayo: I - Dawn iwumkhiqizo waseMelika woketshezi lokuwasha izitsha oluphethwe i - Procter Gamble. Yethulwa ngo-1973, ingumkhiqizo othengiswa kakhulu we-liquid yokuwasha izitsha e-United States. Ngaphandle kokusetshenziselwa ukugeza izitsha, imikhiqizo ye-Dawn isetshenziselwa nokususa amafutha kwezinye izinto, njengamafutha ezilwane achitheke emigwaqweni emikhulu, namafutha ezilwaneni, njengasekuhlanzeni  <response>: Ukuchitheka kukawoyela e-Exxon Valdez nase-Deepwater Horizon. 