Commercial printing methods.

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There are four types of commercial printing methods. The four main commercial printing methods are as follows:

'Lithography': - This was developed during the late 1800's in Germany and has become a very popular process. Lithography is used to print newspapers, magazines, advertising, business forms, and direct mail etc. lithography, is this most widely used printing process used today, and it has a good quality print. However it does have a plate life limit to 150,000 copies, but it can be quickly remade.

'Letterpress': - A letterpress is a machine that automates the process of inking a raised surface and pressing it against sheets of paper, it's a form of 'relief printing'. It is the oldest and fastest diminishing method used today. Developed centuries ago by the Chinese it is still used to print newspapers, labels etc. It's quality, however, is not that of the other main processes and tends to print mid low quality. Also letter pressing is not economical for colour work, and it's a slow process.

'Flexography': - this newer printing process, developed during the mid 1900's. It is very similar to letter pressing in that it uses a relief plate. Flexography has found