Write the next sentence in the following story.

How to use voldyne 5000
Verify the desired goal.
When using the voldyne 5000 under the care of a doctor, nurse, or respiratory therapist, this healthcare professional will typically have a goal a mind.
The voldyne 5000 has a goal range between 250 and 2500 ml, so your goal should fall somewhere within this range.
These numbers indicate the amount of air volume your lungs are able to intake. While it's usually best to begin the procedure with a volume goal in mind, it isn't strictly necessary for the first use.