<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Zvinyorwa zvizhinji zvinobvumirana kuti hammerscale inoumbwa nechimwe chimiro cheiron oxide.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara uyu ndeiyi Manyuko mazhinji anobvumirana kuti hammerscale inoumbwa nechimwe chimiro cheiron oxide, ne magnetite kuva chimiro chinogamuchirwa kazhinji, chinotungamirira kumunhu anozivikanwa wemagineti we hammerscale. 