&,,&&,&&,&                                          &,,&,,&&,,
&&,&,&&,&&                                          &&,&&,&,&,
&,&&&&,&&,                                          ,,&&,&&&&&
,&&,,,&&,&                                          &,&,&&,,,,
,&,&,,&,&&                                          ,&&&&,&,,,
,&&&&,&&&,                   RAILS                  &&,,,&&&,,
,&,,,&&,,&                                          ,,&,,&,,&,
,&&,,&,&,&                                          ,,&&,&&,&&
&&,&,&&&&& &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &,&,&&,&&,
&,&&&&,,,,                                          ,&&&&,&&,&
,&&,,,&,,, &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ,&,,,&&,&&
&&,&,,&&,,                                          ,&&,,&,&&,
&,&&&,&,&,                                          &&,&,&&&,&
,&&,,&&&&& TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY ,,&&&&,,&&
&&,&,&,,,, HAVE TO  FOLLOW A SET PATH. THIS PATH IS ,,&,,,&,&,
&,&&&&&,,, CALLED A "RAILWAY",  WHICH  IS COMPRISED &,&&,,&&&&
,&&,,,,&,, 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.            ,&,&,,,&&,
,,&,,&&,&,                                          ,&&&&,,&,&
&,&&,&,&&& THERE  WILL BE TREES ON THE SIDE  OF THE ,&,,,&,&&&
,&&,&&&&,, RAILS,  BUT NOT TOO CLOSE, OR  THEY WILL ,&&,,&&&,,
,&,&&,,,&, BE CUT  DOWN  BY  THE  RAILWAY JANITORS. &&,&,&,,&,
,&&&,&,,&& THERE  WILL  BE  PLAINS,  AND BODIES  OF ,,&&&&&,&&
&&,,&&&,&,                  WATER.                  &,&,,,,&&,
&,&,&,,&&&                                          &&&&,,,&,&
,&&&&&,&,, TRAINS  GO  BY DAY  AND BY NIGHT.  ALONG ,,,,&,,&&&
&&,,,,&&&,      THE WAY, THERE IS INFORMATION       ,,,,&&,&,,
&,&,,,&,,& SCATTERED,  OFTEN  PUT  ON TOP OF POLES, &,,,&,&&&,
&&&&,,&&,& TO  BE INTERPRETED BY THE TRAIN DRIVERS. ,&,,&&&,,&
,,,,&,&,&& DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE &&&,&,,&,&
&,,,&&&&&,          DIFFERENT SPEED LIMITS.         &,,&&&,&&&
,&,,&,,,,&                                          ,&,&,,&&,,
,&&,&&,,,& SOMETIMES,  TRAINS HAVE TO STOP AND WAIT &&&&&,&,&,
,&,&&,&,,& FOR SOMETHING  TO HAPPEN, FAR AWAY. THIS ,,,,,&&&&&
&&&&,&&&,& IS  SIGNALED  BY  RED  OR  GREEN LIGHTS. ,,,,,&,,,,
&,,,&&,,&&                                          &,,,,&&,,,
&&,,&,&,&,                 &&&&&&&&                 &&,,,&,&,,
&,&,&&&&&&                                          ,,&,,&&&&,
&&&&&,,,,, MANY  PEOPLE FOLLOW THE  RAILS BY  FOOT. &,&&,&,,,&
,,,,,&,,,, OFTEN  THIS  PROVES  TO  BE  THE SHORTER ,&&,&&&,,&
&,,,,&&,,, PATH  BETWEEN  TWO POINTS.  HOWEVER THIS ,&,&&,,&,&
,&,,,&,&,, IS  FROWNED  UPON,  AND   VERY  IMPOLITE &&&&,&,&&&
&&&,,&&&&,         TOWARD THE TRAIN DRIVERS!        ,,,,&&&&,,
&,,&,&,,,&                                          &,,,&,,,&,
&&,&&&&,,&                                          &&,,&&,,&&
,,&&,,,&,&                                          &,&,&,&,&,
,,&,&,,&&&                                          ,&&&&&&&&&
&,&&&&,&,,                                          &&,,,,,,,,
&&&,,,&&&,                                          ,,&,,,,,,,