Preheat oven to 350 degrees. Grease and flour 3 nonstick 9-inch round cake pans. Combine evaporated milk and vinegar. Set aside. Sift together flour, salt, baking soda. Set aside. Cream together margarine and granulated sugar. Beat until very smooth. Beat in eggs one at a time. Add "Adams Best" Vanilla, Adams Butter Flavoring, Adams Chocolate Extract and Adams Pure Orange Extract. Beat well. Beat in milk mixture. Alternately add 3 portions of the flour mixture with 2 portions of the water. Mix until smooth. If more water is needed, add 0.5 tsp. at a time. Mix well after each addition. Fold in the chocolate chips. Divide batter per pan. Bake at 350 degrees for about 30 minutes, or until toothpick inserted in the center of each pan comes out clean. Remove from oven. Let stand for 5 minutes. Removes from pans. Allow to cool completely before icing.