Ramba uchiverenga ndima ino - Chivako chitsva chakavakwa muna 1975 kuti chitsive chivako 'chekare' chezvidhina zvitsvuku zvakafukidzwa neivhi, chakanga chakanganiswa pakudengenyeka kwenyika kwa1971 kuSylmar
uye yakanga iri chiratidzo muWilmington kwamakore akawanda. Nzvimbo itsva yokurovedza muviri nedziva rokushambira zvakawedzerwa kukambasi.