Study the packaging of any cereal, what the labeling and bar codes on the packaging of cereals and pasta can tell about.

Product labeling will give us information about the product (product name, composition, calorie content, shelf life, who is the manufacturer, weight, how to store). Take Makfa pasta as an example.
Ingredients: durum wheat flour, water. Caloric content: 344 kcal. Weight – 450g.
Expiration date: 24 months. Store at temperatures up to + 30 degrees.
Manufacturer: JSC “Makfa” Russia.
The barcode of the product determines the country of the manufacturer (1-3 digits), the manufacturer’s code (4-7), the product code (8-12), the check digit (13).