You'll also find titanium in vehicle components like inlet valves, exhaust valves, valve springs, valve retainers, rocker arms, connecting rods and suspension springs. But only in finer automobiles, of course. Titanium is the most biocompatible of all metals. That's why it's widely used for surgical implants and devices. In fact, titanium replacements for hips and other joints have been going strong for over 30 years.
Titanium is also a popular choice for jewellery.
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