beam-length ratio
11Ship — A ship IPA|/ʃɪp/ audio|en us ship.ogg|Audio (US) is a large vessel that floats on water. Ships are generally distinguished from boats based on size. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as …
12Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH …
13Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …
14Flag of Romania — Infobox flag Name = Romania Article = Use = 111111 Symbol = Proportion = 2:3 Adoption =26 June 1848 1 July 1866 27 December 1989 16 July 1994 Design = A vertical tricolour of blue, yellow, and red, with stripes of equal width and blue near the… …
15Hull speed — Hull speed, sometimes referred to as displacement speed, is the speed of a boat at which the bow and stern waves interfere constructively, creating relatively large waves, and thus a relatively large value of wave drag. Though the term hull speed …
16Beijing 2008 Olympic Games: Mount Olympus Meets the Middle Kingdom — Introduction officially Games of the XXIX Olympiad The Games of the XXIX Olympiad, involving some 200 Olympic committees and as many as 13,000 accredited athletes competing in 28 different sports, were auspiciously scheduled to begin at 8 …
17Proa — A proa or prau is a type of multihull sailing vessel. While the word proa just means boat in its native language, the term proa in Western languages has come to describe a vessel consisting of two (usually) unequal length parallel hulls, sailed… …
18Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
19Cantilever — 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… …
20Fast battleship — Historically, a fast battleship was a battleship of which the design featured an emphasis on speed which was unusual, compared to the normal practice of the time. The term is especially appropriate when applied to a design which was not only… …
