Case Based Critical Thinking
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Case 1
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Mark has taken his team on an educational retreat: they visited print shops and web design houses to see firsthand how the various products that they create are manufactured. One of the things they discussed at length is color theory and various color models. Now that they've returned, Mark is keeping an eye and an ear on the group to see how much they've remembered.

When discussing the need to build bleeds, Mark mentions that the need for bleeds is based on the ever-true idea that "no machine is perfect." What is he talking about?

What will be an ideal response?

Bleeds must be created simply because the device that trims a printed document can never be expected to trim perfectly along the trim line. Bleeds are added to account for the margin of error. If the trimmer trims outside of the trim line, bleeds are there to be sure that there's ink coverage.