Security Printing offers printing services for highly protected documents and documents requiring special security features and/or security papers. Some of the security features which can be incorporated into the documents include specially produced papers that have fine threads only visible when placed under ultra-violet light, and chemically reacted papers that change character when come to contact with alcohol, petrol etc. Other features include Watermark, Intaglio Printing, Invisible Ink, Micro Text, Guilloche Design and Serial Numbering.
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