Transcription: How do you remember when you saw altitude 10 minutes ago? The most common tables have the limits of space in the middle of the moon. In altitude, the most important thing is what the nitrogen of your body can do to form more and more facilities. If you use the mass of 300 meters per hour, you have to use the tables of conversion and special measurements. With a computer, the process of learning is very simple. So you have to take the instructions from the fabric. In any case, if you are in altitude, visit your dive centre or instructor pad to see more about the equipment, the adventure of adve ...