Aagga zircootium core, oo loo isticmaalo gundish caraf udgoon.
Astaamaha ugu weyn:
1. Cadaadish wanaagsan, majiraan ballaarin dhimis muuqata, nolosha adeegga dheer, oo aan lahayn qulqulka weelka, ifafaalaha kala firidhsan;
2.
3. Naqshadeynta Dhaqanka ee alaabada
.