colour mixer meaning in Hindi

Examples

1. Alfred Wood's father, George worked for W E Chance as a colour mixer until 1873 when he left the company to become freelance.
2. Two years later, two other members of the federation, the Amalgamated Society of Machine Paper Stainers and Colour Mixers of Great Britain and the Paper Stainers'Union of General Workers, agreed to merge, forming the "'Wallpaper Workers'Union "'( WPWU ).