Read the excerpt from Fast Food Nation. At Burger King restaurants frozen hamburger patties are placed on a conveyer belt and emerge from a broiler ninety seconds later fully cooked. The ovens at Pizza Hut and at Domino's also use conveyer belts to ensure standardized cooking times. The ovens at McDonald's look like commercial laundry presses with big steel hoods that swing down and grill hamburgers on both sides at once The burgers, chicken, french fries, and buns are all frozen when they arrive at a McDonald's. The evidence presented here supports the author's claim that fast food restaurants are like factories because the excerpt explores the variety of items available at many fast food chains. describes the typical workday of a fast food employee. explains why teenagers like to work at fast food restaurants. illustrates the assembly line principle of making things faster.