PEH 8.1

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29 Terms

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Snorkeling

is a great way to enjoy the coolness of the water and explore the underwater world especially for adventurous travellers.

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Hollow reed 3000 B.C

In the Mediterranean Sea, a Crete island is present where the skin divers use a hollow reed to go down in the water and collect sponges.

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Animal skin was filled with air 9000 B.C.

Bas relief of 900 B.C. depicts that divers in Assyria use animal skin that can be filled with water and that could help them to stay longer in the sea.

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Diving bell 300 B.C.

Alexander the Great asked to make the divine bell. This bell is of cauldron shape which can trap air and can be used when a person is in water. By using this bell, divers do not need to come on the surface again for air but it restricts the movement of the diver. According to Aristotle, a tube of snorkel of a diver looks like an elephant trunk.

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Eye goggles from the shell of tortoise 1300s

To protect eyes and get clear visibility, a tortoise shell is used to make the goggles. It was used by Persian divers in which the shell is sliced into thinner pieces till they become translucent and then polished to make them clear.

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Hollowed tube and sketch. of webbed swimming gloves 1400s

Leonardo de Vinci invented the first contemporary snorkel. It comprises of a hollow tube that was attached to a leather helmet of a diver which facilitates breathing under water. He also gives an idea about the swimming gloves which are used as a fin nowadays.

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Wooden paddles 1717

Benjamin Franklin gave an idea of utilizing a wooden paddle to get them attached to the hands and feet of a swimmer to swim rapidly.

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Modern fins 1912

Frenchman Louis de Corlieu had invented the modern fins and patented them in 1933.

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goggles and fins

are the main gears.

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The floating jacket and rash guard

are other necessary appliances.

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mask

acts as a visual aid.

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Mask skirt

is made up of soft material which is wrapped around the face and is soft.

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The strap

is used to stable the mask on the face when going underwater.

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Nose pocket cushions

are used to protect the nose. Pulge valves are present in some mask which have a small flap valve present underneath the nose pocket. They help to eliminate water and prevent suffocation.

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snorkel

is considered a device that allows you to breathe at the surface while your face is in the water.

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classic snorkel

is the sturdy tube and the mouthpiece. This can also bend to a certain form.

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modern snorkel

is more convenient than the classical snorkel due to the flexible tube below the strap attachment point.

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purge

is an under-mouth valve that empties the stored water by blowing off the hose.

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A splash guard

prevents sprinkled water and sprays from accessing the tunnel rapidly.

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dry valve

is a special valve above the tube that prevents water (and air) from approaching the tube when a wave is generated. In the snorkel tube, it is called a floating valve.

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The full foot fins

are like slip- on- shoes that protect the heel. It is simpler to use, versatile and effective in surface swimming. These are common for dives in warm water.

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adjustable fins

have flexible braces which are open to protect the foot. These fins are also used for diving boots. They're decent options when you dive in freezing water, so the boots prevent the feet from getting cold.

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flexible fin

has a stiffer blade than the full-foot fins and can be used with a more forward thrust.

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traditional or paddle-bladed fins and split fins

The fins have a single full blade while the divided fin is in the web, splitting the pad into two rigid long blades. The fins have a single full blade.

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Snorkel vests

are small and inflatable that boost floating on water. This makes a human use less energy as he or she moves around. The defogger helps you in avoiding fogging in the mask

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Skin Protection

Snorkeling could take some time to be under the sun. In order to protect your skin against the heat of the sun, a biodegradable sunscreen can be used.

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The swimming cap

is used to protect the hair and the ears away from the snorkel. It also helps to avoid the scalp burning on a warm day. This helps minimize drag and be hydrodynamic while swimming.

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The defogger

helps you in avoiding fogging in the mask

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