<prompt> Translate the following text to SwahiliTwo trading zones are established, and, only allowances allocated or auctioned for a given zone may be used by facilities within that zone to meet the requirement to hold allowances covering emissions.  <response>: Ziwa la biashara linaundwa, na kutoa kwa ajili ya eneo fulani au kwa ajili ya mnada inaweza kutumika na vifaa ndani ya eneo hilo ili kukidhi mahitaji ya kuweka haki zinazofunika uzalishaji. 