The category is Titanium: Titanium is a familiar metal. Many people know that it is used in jewellery, prosthetics, tennis rackets, goalie masks, scissors, bicycle frames, surgical tools, mobile phones and other high-performance products. Titanium is as strong as steel but weights about half as much.
Parent categories: Metallurgy, Plastics, Rubber, Chemicals & Energies
Related categories: Gifts, Sports, Toys, Hobbies, Models & Manufacturing