Manufacturing coloured pencils. Factory technician dipping coloured pencil lead into Japanese wax. This process is called impregnation and means that

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Manufacturing coloured pencils. Factory technician dipping coloured pencil lead into Japanese wax. This process is called impregnation and means that the lead will write more smoothly. Photographed at the Conte and Caran d'Ache factory, Switzerland.

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Size: 5232px × 3425px
Photo credit: © PATRICK LANDMANN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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