Communication under water - hands signals

	I'm OK or Are You OK?		Let's go up
	Let's go down		Stop
	I'm out of breath		I'm out of air
	Slow		Height keep
	Reached reserve		Open my Reserve
	I have a minor problem		No
	I'm dizzy		Faster
	This direction		Break off
	Help emergency		Help by night
	O.K. by night		Keep closer together
	Problem with pressure compensation		O.K. on surface

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