The sign of radiation is modeled according to GOST 17925-72 size No. 2. It is produced in 2 variants: 1 as a keychain 2 as name plate. The first option for hanging on a cord. The second is for gluing. Printing is done in 3 colors: First yellow up to a height of 2 mm Second red at a height of 2 mm to 3 mm The third is white at a height of 3 mm to 3.4 mm. Also, printing can be done in one color with subsequent painting of the model. The white field on the plate is intended for clarification of information.