Simbi isingaenzaniswi inobatanidza flange inopararira chikamu chekubatana, icho chine flange, chikamu chakapfupika chidimbu kana chipfupi chelt. Pakati pavo, flange inogadzirwa nesimbi yesimbi isina tsvina, iyo ine basa rakanaka rekushora, kupisa kudzivisa uye zvimwe zvinhu zvacho.
