diff --git a/EMkMachiningConst.h b/EMkMachiningConst.h
index 9a650f0..b0ee6e8 100644
--- a/EMkMachiningConst.h
+++ b/EMkMachiningConst.h
@@ -29,7 +29,8 @@ enum MgpType { MGP_NONE =                         0,
                MGP_SAFEZ =          ( MGP_DOU +  0),
                MGP_EXTRALONCUTREG = ( MGP_DOU +  1),
                MGP_EXTRARONDRIREG = ( MGP_DOU +  2),
-               MGP_HOLEDIAMTOLER  = ( MGP_DOU +  3)} ;
+               MGP_HOLEDIAMTOLER  = ( MGP_DOU +  3),
+               MGP_EXTSAWARCMINRAD =( MGP_DOU +  4)} ;
 
 //----------------------------------------------------------------------------
 // Tipologie di lavorazioni  (derivano da tipologie di operazioni)
@@ -142,7 +143,8 @@ enum { SAW_LO_CENT = 0,
 // Gestione curve
 enum { SAW_CRV_SKIP = 0,
        SAW_CRV_APPROX = 1,
-       SAW_CRV_CONVEX = 2} ;
+       SAW_CRV_CONVEX = 2,
+       SAW_CRV_KEEP = 3} ;
 
 //----------------------------------------------------------------------------
 // Parametri per fresatura