!xSet REGLESS (NAmerica);
!xSubset REGLESS is subset of REG;
!xSet REGLESS1 = REG - REGLESS; 
xSet REGLESS1 = REG - "NAmerica";

xSet AGR (a_Agricultur, a_Extraction);
xSet MFG (a_ProcFood, a_TextWapp, a_LightMnfc,a_HeavyMnfc);
xSet SVC (a_Util_Cons, a_TransComm, a_OthService);

xSubset AGR is subset of ACTS;
xSubset MFG is subset of ACTS;
xSubset SVC is subset of ACTS; 
