diff --git a/LuaLibs/WallExec.lua b/LuaLibs/WallExec.lua
index c96a022..7fa059a 100644
--- a/LuaLibs/WallExec.lua
+++ b/LuaLibs/WallExec.lua
@@ -645,17 +645,35 @@ function WallExec.ProcessFeatures()
       local nPhase = 1
       local PrevMch = EgtGetPhaseDisposition( nPhase)
 
-      local vPriority = {}
-      local nOperId = EgtGetNextOperation( PrevMch)
-      local nCurrentPriorityId = 1
-      while nOperId do
-         local nPriority = EgtGetInfo( nOperId or GDB_ID.NULL, 'PRIORITY', 'i')
-         if nPriority and nPriority ~= 0 then vPriority[nCurrentPriorityId] = nPriority end
-         nCurrentPriorityId = nCurrentPriorityId + 1
-         nOperId = EgtGetNextOperation( nOperId)
-      end
-      for i = 1, #vPriority do
-         PrevMch = SortMachinings( nPhase, PrevMch, nil, vPriority[i])
+      -- abilitazione ordinamento con priorità da btl: 0 = no, 1 = ordine crescente, 2 = ordine decrescente
+      -- le lavorazioni con priorità 0 o senza priorità saranno lasciate per ultime
+      local nGetPriorityFromBtl = 2 -- TEMP qua costante da WallData!!
+      if nGetPriorityFromBtl > 0 then
+         local vPriority = {}
+         local nOperId = EgtGetNextOperation( PrevMch)
+         local nCurrentPriorityId = 1
+         while nOperId do
+            local nPriority = EgtGetInfo( nOperId or GDB_ID.NULL, 'PRIORITY', 'i')
+            if nPriority and nPriority ~= 0 then
+               vPriority[nCurrentPriorityId] = nPriority
+               nCurrentPriorityId = nCurrentPriorityId + 1
+            end
+            nOperId = EgtGetNextOperation( nOperId)
+         end
+         -- sorting delle priorità
+         -- ordine crescente
+         if nGetPriorityFromBtl == 1 then
+            table.sort( vPriority)
+         -- ordine decrescente
+         else
+            table.sort( vPriority, function( a, b) return a > b end)
+         end
+         -- riordino le lavorazioni per priorità
+         for i = 1, #vPriority do
+            -- if i == 1 or ( vPriority[i] ~= vPriority[i - 1]) then
+               PrevMch = SortMachinings( nPhase, PrevMch, nil, vPriority[i])
+            -- end
+         end
       end
 
       SortMachinings( nPhase, PrevMch)