ZA yagara ichishanda nekunzwisisa kuti zvaive zvakafanira kutsigira yakafara chigadzirwa portfolio nehupamhi hwehunyanzvi hwehunyanzvi.

Boka racho rinokwanisa kutora pane nyanzvi dzehunyanzvi dzakadai kubva pabhodhi level zvichidzika, vashandi vane ruzivo mukati menzvimbo dzese dzekugadzira uye kugadzira simbi, pamwe neruzivo rwekugadzira ferro alloy. Rutsigiro rwehunyanzvi urwu rwunopihwa pasirese uye, pamwe chete nehunyanzvi hwekutengesa hwakasimba, hunopa mutengi pasuru yakazara yezvivakwa uye zvigadzirwa zvine chekuita nesimbi.