public boolean isFuelBlock(int itemID)
   {
      boolean res = false;

      if((fuelBlocksGroupIDlist_Wool.contains(itemID)) ||
            (fuelBlocksGroupIDlist_CraftedWood.contains(itemID)) ||
            (fuelBlocksGroupIDlist_Log.contains(itemID)) ||
            (fuelBlocksGroupIDlist_CoalOre.contains(itemID)))
      {
         res = true;
      }

      return (res);
   }