a)  Start   b)  Dive Plan   c)  End   d)  Residual Group   e)  Time Until Safe To Fly   f)  Surfacing time

Answer the next question by using a dive table and complete a worksheet.

《The usage of work sheet》

1. I am going to start diving at 11:00 a.m. ①
   The diving depth is ②18m, the bottom time is ③ 30 minutes.
   Which is the Residual Group? 　 Correct answer： E④
2. I am going to start the second diving ⑥ at 13:00 after ⑤ 1 hour 30 minutes Surface Interval Time.
   The diving depth is ⑦ 15 m, the bottom time is ⑧ 35 minutes.
   How long is Residual Nitrogen Time? 　 Correct answer： 13 minutes⑨
3. Which is the Residual Group after the second diving? 　 Correct answer： F⑩
4. Time Until Safe To Fly after the second diving?　
   Correct answer： 30 hours⑪

The example of Worksheet completion

*A dive table term*

■Work Sheet
You can use it for planning of your repetitive diving. Your repetitive diving is shown in a diagram.