¨¨¨@¨@¨@¨@ @@¨@@¨¨@¨¨ ¨¨¨¨¨¨¨¨¨¨ @@¨@@@¨¨@¨ ¨¨¨¨¨¨¨¨¨¨ @@¨@¨@@¨¨@ @¨¨¨¨¨¨¨¨¨ @@¨¨¨@@@¨¨ ¨@¨¨¨¨¨¨¨¨ @@@¨¨@¨@@¨ ¨¨@¨¨¨¨¨¨¨ 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! ¨¨¨¨¨¨¨¨@¨ ¨¨@¨@@¨¨¨¨ ¨¨¨¨¨¨¨¨¨@ @¨¨¨@@@¨¨¨ ¨¨¨¨¨¨¨¨¨¨ ¨@¨¨@¨@@¨¨ ¨¨¨¨¨¨¨¨¨¨ ¨¨@¨¨¨@@@¨ @¨¨¨¨¨¨¨¨¨ ¨¨¨@¨¨@¨@@ ¨@¨¨¨¨¨¨¨¨ ¨¨¨¨@¨¨¨@@ ¨¨@¨¨¨¨¨¨¨