It is common to mix gravure and web offset forms in the same issue.
这是常见的组合凹版印刷和轮转的形式相同的问题。
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The remaining parts of the issue, as well as a newsstand version that does not have a customized cover, will be printed using National Geographic's usual gravure and web offset service.
The sheet feed press, web offset press, web gravure press and flexographic press are the most widely used in printing newspapers, magazines, books, advertisements and packaging papers.