Zucchini Bread

INGREDIENTS: 3 cups all-purpose flour 1 teaspoon salt 1 teaspoon baking soda 1 teaspoon baking powder 3 teaspoons ground cinnamon 3 eggs 1 cup vegetable oil 2 1/4 cups white sugar 3 teaspoons vanilla extract 2 cups grated zucchini 1 cup chopped walnuts