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The gear usually includes a snorkel, face mask, flippers, weight belt and wet suit. Front – region of sharp gradient in temperature or salinity, indicating a transition between two current systems or water masses. Fronts are usually associated with high biological activity and high abundance of highly migratory resources such as tuna.
Spear fishing is an ancient method of fishing and may be conducted with an ordinary spear or a specialised variant such as an eel spear [8] [9] or the trident. A small trident-type spear with a long handle is used in the American South and Midwest for gigging bullfrogs with a bright light at night, or for gigging carp and other fish in the ...
See: Full-face diving mask#Straps. Mask strap system for full-face masks with three or more straps. (commonly 5) spitcock. See: Standard diving dress#Helmet. A valve in the side of a copper diving helmet which could be used by the diver to suck in a mouthful of seawater to spit onto the inside face of a viewport to wash off condensation ...
A snorkel is used to allow the user to breathe atmospheric air when their face is immersed in water while swimming or floating at the surface. [1] To work effectively, the snorkel must allow the user to inhale and exhale comfortably over an extended period, and provide a sufficient volume of air with appropriate oxygen and carbon dioxide content to maintain a sufficient and comfortable ...
A snorkeler amid corals on a coral reef near Fiji. Snorkeling (British and Commonwealth English spelling: snorkelling) is the practice of swimming face down on or through a body of water while breathing the ambient air through a shaped tube called a snorkel, usually with swimming goggles or a diving mask, and swimfins.
Scuba diver with face mask, fins and underwater breathing apparatus Sea bathing became the vogue in Europe in the 18th century after William Buchan advocated the practice for health reasons. [ 176 ] Surfing is a sport in which a wave is ridden by a surfer, with or without a surfboard .
A diving mask (also half mask, dive mask or scuba mask) is an item of diving equipment that allows underwater divers, including scuba divers, free-divers, and snorkelers, to see clearly underwater. [ 1 ] [ 2 ] Surface supplied divers usually use a full face mask or diving helmet , but in some systems the half mask may be used. [ 2 ]
A mask [is] a thing that in former times Gentlewomen used to put over their Faces when they travel to keep them from Sun burning... the Visard Mask, which covers the whole face, having holes for the eyes, a case for the nose, and a slit for the mouth, and to speak through; this kind of Mask is taken off and put in a moment of time, being only ...