rehabilitation

mastery
/ˌɹiː.əˌbɪl.ɪˈteɪ.ʃən/noun

card 1 of 10 · context meaning

Which meaning of 'rehabilitation' best matches its use in the sentence?

The working life span of a passenger carriage, on average, is between 30 and 35 years, so a steady replacement takes place quite naturally. The life span of a station, however, cannot be so easily reckoned, for it depends largely on the rehabilitation and upkeep of the existing structures.