Newer versions of the valve use a catheter that is two millimeters thinner and replace the steel in the device with cobalt chromium.

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How did Samsung squeeze more than two millimeters of bulk and four grams of weight out of the Galaxy Tab 10.1 in the space of several weeks?

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Each lace motif was applied with tiny stitches every two to three millimeters.

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Together, engineers and factory workers came up with a specially designed tool that allows workers to pivot the two pieces as much as 2 millimeters in either direction to ensure a perfect fit every time.

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It's a bit subtle to the untrained eye, but BlackBerry diehards may well notice the presence of two large, orange buttons on either side of the trackball that jut out a few millimeters.

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