weld structure
121Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… …
122Mill Valley, California — For the former settlement of this name, see Mill Valley, Calaveras County, California. City of Mill Valley   City   Throckmorton Ave. in downtown …
123Helmet — For other uses, see Helmet (disambiguation). A woman wearing a cycling helmet A helmet is a form of protective gear worn on the head to protect it from injuries. Ceremonial or symbolic helmets (e.g., English policeman s helmet) without protective …
124Washington National Cathedral — U.S. National Register of Historic Places …
125Canadian National Railway — Canadian National system map …
126Space Shuttle Solid Rocket Booster — The Space Shuttle Solid Rocket Boosters (SRBs) are the pair of large solid rockets used by the Space Shuttle during the first two minutes of powered flight. They are located on either side of the orange external propellant tank. Each SRB produces …
127Battle of the Denmark Strait — Infobox Military Conflict conflict=Battle of the Denmark Strait caption=Bismarck firing at HMS Prince of Wales, shortly after the sinking of HMS Hood on the 24 May 1941. partof=World War II date=May 24 1941 place=Denmark Strait result=German… …
128Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
