Astronauts repair the space station , They use a special Gym to stay fit , Scientists conduct experiments on the ISS, Astronauts eat their meals from packets., They take spacewalks to fix problems outside the ISS, Engineers built the ISS over ten years, Astronauts clean the space station regularly, They monitor astronauts' health conditions daily, Scientists send new research equipment to the ISS., They have trained astronauts to handle emergencies, Engineers maintain the ISS’s systems regularly, They launch new satellites from Earth., The crew organizes life-support experiments., Scientists monitor the effects of zero gravity on muscles, They update the ISS's software regularly..

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