About diving - Présentation orale

Thèmes abordés

Plongée sous-marine, océan, mer, dangers de la plongée sous-marine, faune sous-marine, requins, matériel de plongée

Résumé du document

Ce document est une présentation orale en anglais sur le thème de la plongée sous-marine.

Extraits

[...] I should also mention coral reefs, but I think it is best to leave it in peace than to risk accidental damage. Anyway, you can look for shipwrecks and maybe lost treasures, and that can be fun, and sometimes profitable However, I must add that diving enables us to see marine pollution, from floating plastic debris to garbage at the bottom, and we realize the emergency of the situation. Risks of the practice Now, if you are interested, I must nonetheless warn you about the risks that are inherent to this practice. [...]

[...] About diving - Présentation orale A passion Today, I am going to talk to you about diving because it is one of my passions. When I say "diving", I don't mean jumping in a swimming pool, like the sport discipline, but going down in wild water, like the sea, or a lake. It is a very old practice because men used to capture certain preys, like lobsters or urchins, or other things like pearls, coral and sponges. In the relatively recent past, people used full diving-suits, with a cosmonaut-like helmet and air supply provided by manual pumps on the surface, but this is totally outdated. [...]

[...] If you don't, you will suffer traumas in your brain, your lungs, your ears or your tissues because of oxygen bubbles that will form. In all cases, there is a limit for all humans, which is about 40 meters for fans and down to 120 meters for super-professionals, but then it gets dangerous. As a I said, there is scuba-diving, but you can only do freediving, that is to say, with little equipment if you remain near the surface. That is what most tourists do. Like in scuba-diving, you may use water-proof glasses and fins or flippers to move more easily. [...]

[...] Another type of diving is in a cage, which will protect you from sharks. Places to practice Now, if you are really interested, I can give you information on where to practice it. The best places are no doubt in lagoons in the Pacific or in the Caribbeans and off the coasts of Mexico. As a few examples, I could cite Cozumel, the Great Barrier Reef in northeastern Australia, Polynesia. But if you cannot go that far, you can practice in the Mediterranean. [...]