Follow the following procedure once all the apparatus has been introduced into the workspace:

1. Click on add button to add tubes.
2. Click on add button to add sample.
3. Click on add button to add dropper.
4. Click on add button to add Mass Spectrometer.
5. Click on the cap of conical flask contaning sample to open it.
6. Click on dropper to put sample into the tube.
7. Click on the cap of conical flask contaning sample to close it.
8. Click on the cover of mass spectrometer to open it.
9. Click on the tube contaning sample to put it in the mass spectrometer.
10. Click on the cover of mass spectrometer to close it.
11. Click on the power button of mass spectrometer.
12. Click on Observe button to observe what is happening inside the Mass Spectrometer.
13. Click on the Observe button to see the graph on the computer moniter screen.