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££,,,£,,,, Of Two Metal Rails,  Hence Its Nickname. £,,£,,,,£,
£££,,,£,,,                                          ,£,,£,,,,,
£,££,,,£,, Because  The  Low Friction  Between  The ,,£,,£,,,,
,,£££,,,£, Wheels Of The Train And  The Rail Metal, ,,,£,,£,,,
,,£,££,,,£ There Are  Limits For How Acute  A Curve £,,,£,,£,,
,,,,£££,,, Can Be,  And Even More So  For  How Much ,£,,,£,,£,
,,,,£,££,, The   Ground  Under  The  Rails  Can  Be ,,£,,,£,,£
£,,,,,£££, Sloped. Thus A  Railway Is Often Not Led ,,,£,,,£,,
,£,,,,£,££ On Top Of Hills, Rather Through  Them In ,,,,£,,,£,
,,£,,,,,££ TunnelS   (If   They  Are   Large),   Or ,,,,,£,,,£
£,,£,,,,£,            Artificial ChasmS.            £,,,,,£,,,
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,,£,,£,,,, There Will Be  Trees  On The Side Of The ,££,,,,,£,
,,,£,,£,,, Rails, But Not Too  Close,  Or They Will ,£££,,,,,£
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,£,,,£,,£, There  Will  Be Plains,  And  Bodies  Of ,,,£££,,,,
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,,,,,£,,,£      The Way, There Is Information       ,,,,,,,£££
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££,,,,,£,, To Be Interpreted By  The Train Drivers. ,,,,,,,,,£
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,£££,,,,,£         Different Speed Limits.          £,,,,,,,,,
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,,,£,££,,, For Something To Happen, Far  Away. This ,,,£,,,,,,
,,,,,£££,, Is  Signaled  By Red  Or  Green  Lights. ,,,,£,,,,,
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,,,,,,,,,£ Often  This  Proves To  Be  The  Shorter ,,,,£,,,,£
£,,,,,,,,, Path  Between Two Points.  However  This £,,,,£,,,,
,£,,,,,,,, Is  Frowned  Upon,  And  Very   Impolite ££,,,,£,,,
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