effective area of reinforcement
51Battle of Morotai — Coordinates: 2°19′0″N 128°32′0″E / 2.316667°N 128.533333°E / 2.316667; 128.533333 …
52Voided biaxial slab — Voided biaxial slabs are reinforced concrete slabs in which voids reduce the amount of concrete.While concrete have been used for thousands of years, the use of reinforced concrete is a relative recent invention, usually attributed to Joseph… …
53Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …
54First English Civil War — The First English Civil War (1642–1646) was the first of three wars known as the English Civil War (or Wars ). The English Civil War was a series of armed conflicts and political machinations which took place between Parliamentarians and… …
55Bombing of Dresden in World War II — Dresden after the bombing raid The Bombing of Dresden was a military bombing by the British Royal Air Force (RAF) and the United States Army Air Force (USAAF) and as part of the Allied forces between 13 February and 15 Febr …
56Lion of Babylon tank — Infobox Weapon is vehicle=yes name=T 72 Lion of Babylon caption=A dug in Asad Babil captured after the Battle of 73 Easting, February 1991 type=Main battle tank origin= flagicon|Iraq Iraq production date=1989 1990 service=1990 Present wars=Gulf… …
57VS System — Infobox Game | subject name= VS System image link= image caption= designer=Matt Hyra, Mike Hummel, Edward Fear, and Danny Mandel publisher= Upper Deck Entertainment players= 21 ages= 10+ setup time= < 5 minutes playing time= < 30 minutes… …
58Battle of Hamburger Hill — Infobox Military Conflict conflict=Battle of Hamburger Hill partof=the Vietnam War caption= date=May 10 May 20, 1969 place=coord|16|15|11|N|107|10|29|E|type:mountain|name=Ap Bia Mountain|display=inline,title Thua Thien Province, Republic of… …
59Vegetation and slope stability — are interrelated by the ability of the plant life growing on slopes to both promote and hinder the stability of the slope. The relationship is a complex combination of the type of soil, the rainfall regime, the plant species present, the slope… …
60materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
