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Line films , also lith films , are films with extremely steep gradation (gamma> 2). They are used to produce hard or rasterized halftone images and to reproduce line art in repro technology . In addition, lith films are used for experiments in the creative and artistic fields. B. used for sound separation .
For the proper development of line or lith films, special lith developers are used , which work very hard and produce a high density .
