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| | Tram - Free net encyclopedia (Site not responding. Last check: 2007-10-25) |
 | | The first trams, known as streetcars in north America, or horsecars, that were built in the United States, and developed from city stagecoach lines and omnibus lines that picked up and dropped off passengers on a regular route and without the need to be pre-hired. |
 | | Modern trams generally use overhead electric cables, from which they draw current through a pantograph, a bow collector (less commonly) or the now-rare trolley pole (the former is most common and used on most new tram designs). |
 | | In Melbourne, in addition to newer types of trams in use such as the Citadis and the Combino and the middle-aged A, B and Z class trams, older W-class trams (of the dropcentre design referred to above) remain in service and are a popular tourist attraction. |
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