1. printing
Printing is a form of reproducing or copying an image or text, typically with ink on paper
using a printing press. It is often carried out as a large-scale industrial process, and is an
essential part of publishing and transaction printing, specifically used for those companies
to which make magazines and newspapers. it plays to great importance.
types of printing-
 ink jet-including bubble-jetwhere ink is sprayed onto the paper to create the desired
image.
 electrophotography where toner is attracted to a charged image and then developed.
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blue print and related chemical technologies.
 daisy wheel where pre-formed characters are applied individually.
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 heat transfer like early fax machines or modern receipt printers that apply heat to special
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paper, which turns black to form the printed image.
 dot matrix which produces arbitrary patterns of dots with an array of printing studs.
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 line printing where pre-formed characters are applied to the paper by lines.
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The print industry- The print industry consists of many aspects of printing, it has many
forms ie- newspapers. magazines, guides, broacher's, etc.