WILL MCINTYRE / SCIENCE PHOTO LIBRARY WILL MCINTYRE / SCIENCE PHOTO LIBRARY
Titanium forge. View of a bar of hot titanium metal being cut at a forge. The bar is heated to make it softer and more workable. The metal is being cut by a circular blade. Titanium is a relatively common metal, and is extensively used in modern products. It is very strong, and yet light, and many vehicles are made up either of the metal itself or its alloys. Aeroplanes, spacecraft and missiles all contain titanium.
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