FIELD: packing and making.
SUBSTANCE: proposed method includes application of three-layer invisible image made of polymeric material, either in solid layer or through stencil, to outer surface of container. Polymeric material is close in color and transparency to material of container but differs from container material in sorption and heat-conducting properties. Invisible image reveals at condensation of moisture on image or container or evaporation of moisture from surface of image or container.
EFFECT: provision of protection of bottled products from counterfeiting and quick and reliable checking of products by User.
3 cl, 1 ex
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