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A photo of the ink pool at the top of a Cyan ink tower on a four colour litho press. The Cyan ink looks like a dark blue when concentrated, and is thick like molasses. A roller to the right carries a thin layer of ink on it which looks more like the Cyan it prints as, and the ink is in bands on the roller, as not all parts of the particular job needs as much Cyan ink coverage.

A photo of the ink pool at the top of a Magenta ink tower on a four colour litho press. The Magenta ink looks like a solid red when concentrated, and is thick like molasses. A roller to the right carries a thin layer of ink on it which looks more like the Magenta it prints as, and is evenly coated as this job needs quite even Magenta coverage

A photo of the ink pool at the top of a Yellow ink tower on a four colour litho press. The Yellow ink is thick like molasses. A roller to the right carries a thin layer of ink on it in bands, as not all parts of the particular job needs as much yellow ink coverage.

A photo of the ink pool at the top of a Black ink tower on a four colour litho press. The Black ink is thick like molasses. A roller to the right carries a thin layer of ink on it in bands, as not all parts of the particular job needs as much black ink coverage.