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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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