plzz answer this question guys its urgent..
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trees were being cut to fulfill the railway needs
fuels were made of tree barks sleepers were needed to join the tracks together nearly 1700--2000 sleepers were used to lay track for 1mile
(sleepers were made of wood)
fuels were made of tree barks sleepers were needed to join the tracks together nearly 1700--2000 sleepers were used to lay track for 1mile
(sleepers were made of wood)
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