Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Kuverenga ndima kwakabviswa muchikamu chemashoko cheSAT muna 1946, uye kwakatsiviwa nekunzwisisa kuverenga, uye mibvunzo ye"tsanangudzo mbiri" yakatsiviwa nemitsara yekupedzisa. Pakati pa1946 na1957, vadzidzi vakapiwa maminitsi 90 kusvika ku100 kuti vapedze mibvunzo inobva pa107 kusvika ku170. Kutanga muna 1958, miganhu yenguva yakava yakatsiga zvikuru, uye kwamakore 17, kusvikira muna 1975, vadzidzi vaiva nemaminiti 75 yokupindura mibvunzo 90. Muna 1959, mibvunzo pamusoro pekukwana kwedata yakaunzwa muchikamu chemasvomhu, uye ipapo yakatsiviwa nekuenzanisa kwakawanda muna 1974. Muna 1974, zvikamu zvose zviri zviviri zvemashoko nemasvomhu zvakaderedzwa kubva pamaminiti 75 kusvika kumaminiti 60 chimwe nechimwe, nokuchinja kwechimiro chomuedzo kuchigadzirisa nguva yakaderedzwa.  Mubvunzo: Vadzidzi vanofanira kupedza nguva yakareba sei vachiita bvunzo?
75 maminitsi