Ключевые слова: american, assembly, background, beef, blue, bun, burger, casual, cheese, cheeseburger, consumption, convenience, cooked, cuisine, culinary, culture, delicious, diet, dining, eating, fast, fast food, food, franchise, fresh, hamburger, hamburgers, junk, lettuce, lunch, mass production, meal, meat, pattern, popular, preparation, production, quick, repetitive, rows, sandwich, seeds, service, sesame, snack, stack, tasty, unhealthy,