Sangano rinomirira vashandi reZimbabwe Congress of Trade Unions , ZCTU , rinoti riri kushungurudzwa nezvarinoti zviri kuitwa nemapurisa zvekushanyira mahofisi aro achiti anoda kuona magwaro anoribvumidza kushanda , mazita evatungamiri pamwe nezvimwe zvakawanda zvavanonzi vari kubvunza .