What are the types of diving? What are the types of tourist diving?

If you want to go diving, first of all, you should know the diving grades and types. The following small series will introduce you to the basic information of diving. If you want to go diving, you must understand the following basic information. What kinds of diving

a and snorkeling

are divers floating on the surface of the water with a face mirror, a breathing tube and flippers, so that they can watch the underwater landscape through the face mirror, or they can snorkel with edema while holding their breath, knowing that they can't breathe the light gray way that comes to the surface. This can be done with simple training without diving certificate.

b, scuba diving

This is the way that the diver carries an air cylinder (not an oxygen cylinder) and uses the air in the cylinder to breathe in seawater for a long time. Generally speaking, this is deep diving or air diving, and scuba diving requires textual research before diving.

C. Free diving

This refers to the movement of diving as deep as possible without oxygen tanks, with the help of one's own vital capacity to adjust breathing and hold one's breath. This kind of diving is very dangerous and requires high physical fitness, and personal attention is also very strict. You must get rid of distractions and devote yourself wholeheartedly. What are the diving types

Diving activities are divided into professional diving and leisure diving. Professional diving is diving of professional nature such as underwater engineering, underwater salvage and underwater exploration. The common sightseeing diving is leisure diving, which is simply an underwater leisure sightseeing activity. There are many classification methods of diving, which can be classified according to the location, mode, service and diving equipment. The more common classification are snorkeling, shore diving, boat diving, experience diving and certified diving. Diving classification

Primary diving is snorkeling. There is no threshold. Even if you can't swim, you can snorkel with equipment. As for the experience of diving, you don't need documents. The deepest dive can be 12 meters underwater. After diving is involved in diving card boarding, diving card boarding is more, beginners generally take OW or AOW these two certificates.