Welcome to the underwater world!
Medical Check-up
Introductory Diver Course Completion
Important Points for Ocean PracticeBreathe Deeply
Ear Equalization
Mask Blow
Communication
Regulator Clear
Mask Clear
Underwater Problems
Transform into a Fish on your Holidays
STARS net-diver School
■Communication
Since we can’t speak underwater, there is a tradition of using hand signals:
Ok
I have a problem
I don’t understand
Descend
Ascend
Wait
Ear equalization
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