<prompt> Nyorera kupfuurira kweiyi ndima - Mumakore ekuma1970, Hourani akapayona kushandiswa kwekongiri yakasimbiswa kusati yasimbiswa pakusimbisa maslate pamatanho uye masvingo ekudzivirira. Muna 2002 Hourani akawana patent yemahwindo akagadzirirwa kurwisa madutu echikamu chechina nechishanu; akafungawo tekinoroji yepamutemo ye skimmer yemafuta yakafuridzirwa nekudonha kwemafuta kweExxon Valdez muna 1989  <response>: njodzi muAlaska, uye kudonha kwemafuta kweDeepwater Horizon muna 2010 muGulf of Mexico. 