The following sentences that support the idea that Gutenberg considered printing press his greatest undertaking are;
In 1440 Gutenberg established the basics of his printing press which involve the use of a mobile, reusable set of type, and within ten years he had constructed a printing press. In 1454 Gutenberg start commercial production of book by producing thousands of indulgences for the Church.
Johannes Gutenberg's printing press were able to manufacture large numbers of books at low little cost for the first time. Books and other printed matter consequently became available to a wide general audience, greatly contributing to the spread of literacy and education in Europe.
Therefore, The following sentences that support the idea that Gutenberg considered printing press his greatest undertaking are;
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