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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. ¨¨¨¨¨,,:£¶
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@$=,,¨¨¨¨¨ because the low friction between the ¨¨¨¨¨,,=$@
@£$$:,¨¨¨¨ wheels of the train and the rail metal, ¨¨¨¨,:$$£@
##¶@£$:=,¨ there are limits for how acute a curve ¨,=:$£@¶##
##¶@£$:=,¨ can be, and even more so for how much ¨,=:$£@¶##
##¶@£$:=,¨ the ground under the rails can be ¨,=:$£@¶##
##¶@£$:=,¨ sloped. thus a railway is often not led ¨,=:$£@¶##
¶@@@£$:=,¨ on top of hills, rather through them in ¨,=:$£@@@¶
@$=¨¨¨¨¨¨¨ tunnels (if they are large), or ¨¨¨¨¨¨¨=$@
##¶@£$:=,¨ artificial chasms. ¨,=:$£@¶##
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###¶@$:=,¨ there will be trees on the side of the ¨,=:$@¶###
##¶@£$:=,¨ rails, but not too close, or they will ¨,=:$£@¶##
#@@@£$:=,¨ be cut down by the railway janitors. ¨,=:$£@@@#
##¶@£$:=,¨ there will be plains, and bodies of ¨,=:$£@¶##
##¶@£$:=,¨ water. ¨,=:$£@¶##
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###¶£$:=,¨ trains go by day and by night. along ¨,=:$£¶###
#¶¶@£$:=,¨ the way, there is information ¨,=:$£@¶¶#
##¶@£$:=,¨ scattered, often put on top of poles, ¨,=:$£@¶##
¶¶@£:=¨¨¨¨ to be interpreted by the train drivers. ¨¨¨¨=:£@¶¶
¶£££$===,¨ different parts of the railway have ¨,===$£££¶
###¶£$:=,¨ different speed limits. ¨,=:$£¶###
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@@@@£$:=,¨ sometimes, trains have to stop and wait ¨,=:$£@@@@
###¶@£$=,¨ for something to happen, far away. this ¨,=$£@¶###
##¶@£$:=,¨ is signaled by red or green lights. ¨,=:$£@¶##
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¶¶££:===,¨ 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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