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71Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …
72Thomas Newcomen — Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) Thomas Newcomen (shortly before 24 February 1664 –[1] 5 August 1729) was an ironmonger by trade and a Baptist …
73Patient-controlled analgesia — Intervention A patient controlled analgesia infusion pump, configured for epidural administration of fentanyl and bupivacaine for postoperative analgesia …
74Lakeland, Florida — Infobox Settlement official name = Lakeland,Florida nickname = settlement type = City motto = imagesize = image caption = Downtown Lakeland at night flag size = image seal size = image blank emblem = blank emblem type = blank emblem size = flag… …
75New Iberia, Louisiana — Coordinates: 30°00′13″N 91°49′06″W / 30.00361°N 91.81833°W / 30.00361; 91.81833 …
76Meyer Township, Michigan —   Township   …
77Missoula, Montana — Missoula redirects here. For other uses, see Missoula (disambiguation). City of Missoula, Montana   City   Overlooking Downtown …
78Model rocket — A typical model rocket during launch A model rocket is a small rocket that is commonly advertised as being able to be launched by anybody, to, in general, low altitudes (usually to around 100–500 m (300–1500 ft) for a 30 g (1 oz.) model) and …
79Spring Lake, Utah — Infobox Settlement official name = Spring Lake, Utah settlement type = CDP nickname = motto = imagesize = image caption = image mapsize = 250px map caption = Location of Spring Lake, Utah mapsize1 = map caption1 = subdivision type = Country… …
80Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …
