<prompt> Pedzisa mutsara unotevera: Muma1970, Hourani ndiye akatanga kushandisa kongiri yakatogadziriswa kuti ishandiswe pakusimbisa matanda pamadziro uye pamadziro anodzivirira. Muna 2002 Hourani akawana patent yemawindo akagadzirirwa kurwisa madutu echikamu chechina nechishanu; akafungawo tekinoroji yepamutemo ye skimmer yemafuta akafuridzirwa ne  <response>: 1989 Exxon Valdez oil spill njodzi muAlaska, uye 2010 Deepwater Horizon oil spill muGulf of Mexico. 