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 yakafuridzirwa nenjodzi yeExxon Valdez yemafuta muna 1989 muAlaska, uye iyo
2010 Deepwater Horizon oil spill muGulf of Mexico.