colour theory for printing Process ,Black 'K', spot colour system

Hello friends I am Amit Kumar Gupta diploma In printing technology from NRIPT Allahabad. I have more than 11 years working experience in rotogravure printing Process/machine and I am sharing My knowledge about printing Process and printing technology specially rotogravure printing process Which I collected during work On rotogravure printing press /Machine in flexible packaging industry. 00:28 Electromagnetic 01:45 Why do we see objects 02:12 Why do we see objects colourful 02:33 Primary colour 03:11 Additive colour theory 03:50 subtractive colour theory 04:40 Colour separation for CMYK printing 06:04 In CMYK K for Black 06:40 Additional spot colour system Ink viscosity    • Ink viscosity                             ...   Gravure printing A to Z    • Rotogravure Printing A to Z    gravure pri...   Baladeeh print tech amitguptanript@gmail.com