Combine flour, salt and baking soda in the small mixer bowl. Stir with a spoon and set aside. Combine sugars, shortening and butter or margarine in the large mixer bowl. Beat on medium speed until well mixed, stopping the mixer and scraping the bowl several times. Add the eggs, milk and vanilla. Beat until well mixed, scraping the bowl several times. Add the flour mixture. Beat on low speed until well mixed, scraping the bowl several times. Add oats and chocolate chips and nuts. Mix well. Cover the bowl with foil or plastic wrap and chill in the refrigerator for at least 1 hour. When the dough has been chilled, turn on the oven to 375 degrees. Divide the dough into two parts (keep one part in the refrigerator until ready to roll it out). Place dough on a lightly-floured surface. Rub flour on the rolling pin and roll the dough to about 1/4-inch thickness. Dip cutters in flour and cut cookies. Lift cookies with a pancake turner to baking sheets, placing cookies 1 1/2 inches apart. Bake for 12 to 15 minutes or until lightly browned. Lift with a pancake turner to a wire rack to cool.

Repeat with the remaining dough.

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