ACUC, American and Canadian Underwater Certifications Inc. is an international recreational diving membership and diver training organization. Formerly...

underwater diving environment, or just diving environment is the natural or artificial surroundings in which a dive is done. It is usually underwater...

surrounding medium American Academy of Underwater Sciences (AAUS) – American diving standards organisation American Canadian Underwater Certifications (ACUC) –...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

welding is the process of extreme welding at elevated pressures, normally underwater. Hyperbaric welding can either take place wet in the water itself or dry...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

Underwater cutting and welding are metalworking techniques used by underwater divers in underwater construction, marine salvage and clearance diving applications...

The APS underwater assault rifle (APS stands for Avtomat Podvodny Spetsialnyy (Автомат Подводный Специальный) or "Special Underwater Assault Rifle") is...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

The Underwater Demolition Team (UDT), or frogmen, were amphibious units created by the United States Navy during World War II with specialized non-tactical...

Underwater ice hockey (also called sub-aqua ice hockey) is a minor extreme sport that is a variant of ice hockey. It is played upside-down underneath frozen...

Underwater football is a two-team underwater sport that shares common elements with underwater hockey and underwater rugby. As with both of those games...

procedures. The incident cost the company millions of dollars in lost income. Underwater diving portal Commercial offshore diving – Professional diving in support...

from Canada with his Canadian bride Marlene, and it now attracts players from a wide range of backgrounds there. The first Australian Underwater Hockey...

shore, where breaking waves approach the shore parallel to it, or where underwater topography encourages outflow at one specific area. The location of rip...

International (SSI) Recreational scuba certification agencies American Canadian Underwater Certifications (ACUC) American Nitrox Divers International (ANDI)...

2006, Irwin died from an injury caused by a stingray while filming an underwater documentary in the Great Barrier Reef. His death became international...

species of marine animals" and "some sort of plastic waste". Among the underwater creatures Vescovo encountered were a snailfish at 26,250 ft (8,000 m)...

may be considered as either. Equipment required only to do the planned underwater work is not usually considered diving or support equipment. Surface-supplied...

An underwater firearm is a firearm designed for use underwater. Underwater firearms or needleguns usually fire flechettes or spear-like bolts instead...

defined level of skill and knowledge in underwater diving. Divers carry a qualification record or certification card which may be required to prove their...

Italia CMAS code ITA/F07 ACUC - American Canadian Underwater Certifications – Recreational diver training and certification agency AED - Associated European...

Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that...

circumstantial safety needs. Hyperbaric first aid may be practiced by underwater diving professionals, who need to treat conditions such as decompression...

diving technology – Chronological list of notable events in the history of underwater diving equipment Submersible – Small watercraft able to navigate under...

Underwater photography is the process of taking photographs while under water. It is usually done while scuba diving, but can be done while diving on surface...

Underwater acoustic communication is a technique of sending and receiving messages in water. There are several ways of employing such communication but...

The Underwater Society of America (USOA) is the peak body for underwater sport and recreational diving in the United States. The USOA is a membership-based...