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81Window — This article is about the part of a building. For the Microsoft operating system, see Microsoft Windows. For other uses, see Window (disambiguation) and Windows (disambiguation). Pair of windows, Old Ship Church, Hingham, Massachusetts …
82Potentiometer — This article is about the electrical component. For the measuring instrument, see Potentiometer (measuring instrument). Potentiometer A typical single turn potentiometer Type Passive Electronic s …
83Antiretroviral drug — HAART redirects here. For UK estate agency Haart, see Spicerhaart. Antiretroviral drugs are medications for the treatment of infection by retroviruses, primarily HIV. When several such drugs, typically three or four, are taken in combination, the …
84Truss — For other uses, see Truss (disambiguation). In architecture and structural engineering, a truss is a structure comprising one or more triangular units constructed with straight members whose ends are connected at joints referred to as nodes.… …
85M60 machine gun — Infobox Weapon name=Machine Gun, 7.62 mm, M60 caption=M60 machine gun origin=flagcountry|United States type= General purpose machine gun is ranged=yes service= 1957 present used by=See Operators wars= Vietnam War Cambodian Civil War Gulf War War… …
86Power system simulation — models are a class of computer simulation programs that focus on the operation of electrical power systems. These computer programs are used in a wide range of planning and operational situations including: #Long term generation and transmission… …
87Feed-in tariff — Part of a series on Green economics Concepts …
88History of Firefox — (category) Contents Firefox 10 · 11 · 12 Firefox 7 · 8 · 9 Firefox 4 · …
89Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …
90Modern equipment of the British Army — This article is about weapons and equipment. For details of uniforms and orders of dress, see British Army Uniform. British Army …
