scale-resisting alloy
21Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
22A6M Zero — Infobox Aircraft name =Mitsubishi A6M type =Fighter manufacturer =Mitsubishi caption =Japanese A6M5 Type 0 Model 52 designer = Jiro Horikoshi first flight =1 April avyear|1939 introduction =July avyear|1940 retired =avyear|1945 (Japan) status =… …
23Armorhide — is the name of several fictional characters from various Transformers universes.Transformers: Robots in DisguiseTransformers character name =Armorhide japanname =Dangar caption = Universe Armorhide toy affiliation =Decepticon subgroup =Commandos… …
24World Trade Center — For other uses, see World Trade Center (disambiguation). World Trade Center[1] …
25science, history of — Introduction the history of science from its beginnings in prehistoric times to the 20th century. On the simplest level, science is knowledge of the world of nature. There are many regularities in nature that mankind has had to… …
26tungsten processing — Introduction preparation of the ore for use in various products. Tungsten exhibits a body centred cubic (bcc) crystal lattice. It has the highest melting point of all metals, 3,410° C (6,170° F), and it has high conductivity for… …
