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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. ...,~~^**¶
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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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