the likely availability of spare parts
41Economy of North Korea — Economic centre of North Korea Currency North Korean won Fiscal year …
42Greyhawk — This article is about the role playing game setting. For other uses, see Greyhawk (disambiguation). Greyhawk Designer(s) Gary Gygax Publisher(s) TSR, Inc. Wizards of the Coast Publication date …
43railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
44USS Scorpion (SSN-589) — was a Skipjack class nuclear submarine of the United States Navy, and the sixth ship of the U.S. Navy to carry that name. Scorpion was declared lost on June 5, 1968,cite web |date=2007 |url = http://www.submarinehistory.com/Scorpion.html|title =… …
45Floppy disk — Floppy redirects here. For other uses, see Floppy (disambiguation). 8 inch, 5 1⁄4 inch, and 3 1⁄2 inch floppy disks …
46Battle of Britain — This article is about the Second World War battle. For other uses, see Battle of Britain (disambiguation). Battle of Britain Part of the Second World War …
47Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …
48DIY audio — An example of DIY audio: a functioning battery operated DAC (Digital to analog converter) before installation in a box case DIY Audio means do it yourself audio. Rather than buying a piece of possibly expensive audio equipment, such as a high end …
49V-22 Osprey — Infobox Aircraft name=V 22 Osprey caption=U.S. Marines jump from an Osprey. type=VTOL transport national origin = United States first flight=19 March avyear|1989 introduction=8 December avyear|2005 manufacturer= Bell Helicopter Boeing Helicopters …
50Homebuilt computer — A homebuilt computer is a computer assembled from available components, usually commercial off the shelf (COTS) components, rather than purchased as a complete system from a computer system supplier. Contents 1 History 2 Development as a hobby 3… …
