Diver SMB - The basics of diving surface marker buoys

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PADI Delayed Surface Marker Buoy Course – SinCityScuba

Isidora, Author at Dive into Life - Page 2 of 6

Function:The function of surface marker buoy is to let ships and people at sea know that the diver is underwater and about to come up. Function:The

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Scuba Surface Marker Buoys (SMB) – a How-to Article

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