simbi square bollards ishongedzo uye inoshanda mhinduro yekusimudzira chengetedzo uye manejimendi emigwagwa munzvimbo dzemudhorobha. Chitarisiko chavo chemazuva ano, chakasanganiswa nesimba uye kusimba, chinovaita chakanakira nzvimbo dzeveruzhinji, zvivakwa zvekutengesa, uye nzvimbo dzine vanhu vakawanda.