Offset printing is a printing technique that is widely used, in which the image (image) inked on-transfer (or "offset") from the first plate to a rubber sheet, then to the surface to be printed. When combined with a lithograph process, which is based on the nature of water and oil do not mix, then the offset technique uses an image loader flat (planographic) where the image will be printed to take ink from ink rollers (ink rollers), while areas that are not printed attracting water, causing the area to no ink-free printing.
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