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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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