flush-mounted switch
81Washington Metro signaling and operation — Red signal ahead of Silver Spring pocket track on the B Route. Signaling and operation on the Washington Metro system involves train control, station identification, train signaling, signage, and train length. As with any working railroad,… …
82Montreal Metro — Not to be confused with Greater Montreal. Montreal Metro Info …
83Music of Seattle — The music of Seattle has long played a role in the development of the music of Washington State. The Seattle Sound was at one time a field of alternative rock that produced the sub genre grunge and major bands like Nirvana and Pearl… …
84Technical features new to Windows Vista — This article is part of a series on Windows Vista New features Overview Technical and core system Security and safety Networking technologies I/O technologies Management and administration Removed features …
85coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
86Chevrolet Corvette (C3) — This article is about the third generation Chevrolet Corvette (C3). For general Corvette information, see Chevrolet Corvette. Chevrolet Corvette (C3) 1968 Chevrolet Corvette Convertible Manufacturer Chevrolet Division of …
