On ISS there was a leakage of air. What do astronauts do?

The International Space Station (ISS) in which there are astronauts from the different countries and make scientific experiments, is at 408-kilometer height over Earth. In it there is necessary for life of people an air, but tightness of a design is not ideal. Every day the station loses a small amount of air, but it is watched carefully by the staff of Roskosmos corporation ROSKOSMOS STATE CORPORATION and space agency of National administration office on aeronautics and space research. In September...