Sefekitari ine nhoroondo yekugadzira yemakore makumi maviri nematatu, tine nzwisiso yakazara yeindasitiri. Isu takaita tsvakiridzo yakadzama pane mamwe mabhureki uye tikaasanganisa nemamiriro ekugadzira eChina kuti tigadzire midziyo yekugezesa yekushambadzira ine hungwaru hwepamusoro, yakasimba zvakanyanya, uye ine kuramba yakasimba kune eccentric vibrations. Panguva imwecheteyo, inogona zvakare kupa yakasarudzika yakasarudzika kune vatengi munzvimbo dzakasiyana.