C229 Work Inquiries

After all, this is my first time participating in a high altitude mission after surgery, so my heart and lungs have to be tested. I didn't go up there, but sat for half an hour at a distance of 4000 meters, and after feeling the dull pain in my chest ease up a little, I got out of the car. "If we don't move away, we probably won't be able to keep up. It's fine to go back to the inland lungs