Security printing refers to the specialized processes and techniques used to produce documents and items that are resistant to forgery, counterfeiting, and unauthorized alteration. These items can include banknotes, passports, identity cards, stamps, product packaging, and high-value certificates, among others. Key features of security printing include: 1. **Specialized Inks**: Use of UV-reactive inks, color-shifting inks, or thermochromic inks that change color with temperature.
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