F. Moztarzadeh, S. Boghozian and F. Halek
Pigments are fine solid particles which when exposed to light they emit different colours, depending on the nature of substances they are composed of.
F. Moztarzadeh, S. Boghozian and F. Halek
Pigments are fine solid particles which when exposed to light they emit different colours, depending on the nature of substances they are composed of.
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