Surface Signal Devices – WHY they are IMPORTANT to have
Surface Signal Devices – WHY they are IMPORTANT to have The surface signal devices I will be talking about are the safety sausage (no, they are not good to eat), Scuba Tuba (not a musical instrument), signal tube, surface marker buoy (SMB), or master blaster (just kidding). Other surface signaling devices are whistles, mirrors, flares, […]
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