main bracing system
21Geomagnetic storm — This article is about disturbances within Earth s magnetosphere. For other uses of magnetic storm , see Magnetic storm (disambiguation). Solar particles interact with Earth s magnetosphere. A geomagnetic storm is a temporary disturbance of the… …
22Cantilever — For the figure skating element, see Cantilever (figure skating). A schematic image of two cantilevers. The top example has a full moment connection (like a horizontal flag pole bolted to the side of a building). The bottom example is created by… …
23St. Stephen's Cathedral, Vienna — Infobox religious building building name=St. Stephen s Cathedral, Vienna image size=300px caption= location=Vienna, Austria geo = coord|48|12|29.9|N|16|22|22|E|display=inline|region:AT type:landmark religious affiliation=Roman Catholic rite=… …
24Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
25Serenity (Firefly vessel) — Infobox Fictional Spacecraft name = Serenity colour =Television colour|Firefly caption = Serenity in orbit first = The Train Job [This is by air date. In the intended series order (as well as the DVD presentation order) the first appearance would …
26literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
27Focke-Wulf Fw 190 — infobox Aircraft name =Fw 190 type =Fighter manufacturer = Primarily Focke Wulf Flugzeugbau AG, but also Ago, Arado, Fieseler, Mimetall, Norddeutsche Dornier and others caption = Fw 190 A designer =Kurt Tank first flight =1 June 1939 introduced… …
28Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
29Virginia — This article is about the U.S. state, the Commonwealth of Virginia. For other uses, see Virginia (disambiguation). Commonwealth of Virginia …
30Song Dynasty — This article is about the Northern and Southern Song Dynasties. For the Southern Dynasty, see Liu Song Dynasty. Song 宋 ← …
