tank level control
71Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
72Programmable logic controller — A programmable logic controller (PLC) or programmable controller is a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines. PLCs are used in many different industries and machines… …
73Space 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 …
74Iraqi Army — Active 1921 present Country Iraq Branch Army Size some 770,000 (2011 est.) Part of Ministry of Defence …
75Flight planning — A Tarom Boeing 737 300 and United Airlines Boeing 777 200 taxiing to depart London Heathrow Airport. Flight planning is the process of producing a flight plan to describe a proposed aircraft flight. It involves two …
76List of rail accidents (1950–1999) — List of rail accidents from 1950 to 1999.For historic accidents before 1950, see List of pre 1950 rail accidents .For accidents from 2000 to the present, see List of rail accidents . notoc 1950s 1950* February 17 1950 ndash; Rockville Centre, New …
77Myanmar Army — တပ်မတော်(ကြည်း Myanmar Army Flag Active Country Myanmar …
78Tiananmen Square protests of 1989 — Tiananmen Square as seen from the Tiananmen Gate in 2004. The Tiananmen Square protests of 1989, also known as the June Fourth Incident in Chinese[1] (in part to avoid confusion with two prior Tiananmen Square protests), were a series o …
79Military strategy — This article is about real and historical warfare. For the computer game genre, see Real time tactics. Warfare Military history Eras Prehistoric …
80Space Shuttle main engine — SSME redirect here. For the services field, see Service Science, Management and Engineering infobox rocket engine imsize=250 caption=Space Shuttle Main Engine test firing name=Space Shuttle Main Engine country of origin=United States manufacturer …
