swimming while breathing tllrough a snorkel and with the assistance of a mask and fins.
skin diving with a snorkel Snorkeling (British spelling: snorkelling) is the practice of swimming at the surface of a body of water while equipped with a diving mask, a shaped tube called a snorkel, and usually swimfins. In cooler waters, a wetsuit may also be worn. ... The act of swimming using a snorkel
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