manual operator
121Trams in Melbourne — Melbourne tramway network D1.3508 in Bank of Melbourne wrap livery outside Melbourne Town Hall, Swanston Street, 2011 …
122Aerial refueling — A C 17 Globemaster refuels through the boom of a Boeing KC 135 Stratotanker …
123Director telephone system — The Director System was a system which made it possible to call subscribers at other telephone exchanges without operator intervention in large multi exchange cities, and to have a mixture of automatic and manual exchanges within these cities. It …
124Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
125Washington 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,… …
126Telephone numbers in New Zealand — New Zealand telephone numbers Location Country New Zealand Continent Oceania Access codes Country calling +64 International prefix 00 …
127Driver's license in the United States — In the United States, nearly all driver s licenses are issued by individual states (including Washington, D.C. and territories), rather than the federal government. Drivers are normally required to obtain a license from their state of residence,… …
128Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
