FIELD: the invention refers to the fields of food industry, medicine, machine building, electronic industry etc.
SUBSTANCE: the essence of the inventions is in storing a product together with a quality indicator whose indices reflect the history of storing. A number of other distinctive signs contributes to achievement of the declared technical result namely simplicity of highly productive identification of the quality of product for wide layers of the people, a low cost, and also reliability of evaluation of the quality of the product.
EFFECT: simplifies controlling quality of a product.
12 cl, 1 dwg
