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Thumb and forefinger forming a ring.
Also known as: OK signal diving, Diver okay sign, Ring signal underwater
The diving hand signal meaning that all is well, made by joining the thumb and forefinger into a ring with the other fingers raised.
Means that all is well, and asks the same question of the diver it is shown to.
Contexts: Public information
Is both a question and an answer, so a diver receiving it must reply with it, and silence in response is itself a problem signal.
Contexts: Public information
A hand with thumb and forefinger touching to form a closed ring, the remaining three fingers held up and apart.
A fuller structured visual breakdown is not yet documented for this symbol.