وحيثما يطبق نهج الطبقة 1 ب (إنتاج المعادن 2.C Metal production)، والطبقة 2 (إنتاج
Where applying tier 1b (for 2.C Metal production), tier 2 (for 2.E Production of halocarbons and SF6) and country-specific methods, any other relevant activity data used should be specified.