two-spar structure
21Lashing (ropework) — A lashing is an arrangement of rope used to secure two or more items together in a somewhat rigid manner. Lashings are most commonly applied to timber poles, and are commonly associated with the scouting movement and with sailors. This word usage …
22Cable-stayed bridge — BridgeTypePix image title=The Rio Antirio bridge in Greece type name=Cable stayed bridge sibling names=None descendent names=Side spar cable stayed bridge, Self anchored suspension bridge, cantilever spar cable stayed bridge ancestor… …
23Supermarine Spitfire — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =The distinctive silhouette of a typical Spitfire shows elliptical wings. (P7350, a Mk IIa, was first delivered to 266 Squadron on 6 September 1940.) designer =R. J.… …
24USS Constitution — For similarly named ships, principles of government, and other uses, see Constitution (disambiguation). Constitution on her 213th birt …
25Tesco — For other uses, see Tesco (disambiguation). Coordinates: 51°42′18.89″N 0°1′36.37″W / 51.7052472°N 0.0267694°W / 51.7052472; 0.0267694 …
26Messerschmitt Bf 109 — Bf 109 Restored Messerschmitt Bf 109G 6 Role Fighter Manufacturer …
27radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
28Oil platform — A typical offshore oil/gas platform. An oil platform, also referred to as an offshore platform or, somewhat incorrectly, oil rig, is a lаrge structure with facilities to drill wells, to extract and process oil and natural gas, and to temporarily… …
29environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
30Cantilever — 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… …
