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£§/,......                   rails                  ......,/§£
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###£§^/~,. ££££££££££££££££££££££££££££££££££££££££ .,~/^§£###
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#§///,.... ££££££££££££££££££££££££££££££££££££££££ ....,///§#
£§§§§^/~,.                                          .,~/^§§§§£
###£§^/~,.                                          .,~/^§£###
###£§^/~,. 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!        ..,,,/§£££
##£^~,....                                          ....,~^£##
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#££^^/,...                                          ...,/^^££#
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