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,.~\=£###£ rails £###£=\~.,
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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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,.~\=£#£## ##£#£=\~.,