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Фото со стока - In the gold extraction process finely crushed ores are leached in vats with a very diluted solution of KCN and NaCN and allowed to remain for 12 to 24 hours to dissolve the gold vintage line drawing or engraving illustration.

In the gold extraction process finely crushed ores are leached in vats with a very diluted solution of KCN and NaCN and allowed to remain for 12 to 24 hours to dissolve the gold vintage line drawing or engraving illustration.
ID изображения : 133037281
Тип носителя : Вектор
Авторское право : Patrick Guenette
5405 x 5643 px | 18.02 " x 18.81 " | 300dpi | JPG
Ключевые слова стокового изображения