breath-hold diving
1Diving hazards and precautions — Divers face specific physical and health risks when they go underwater (e.g. with scuba or other diving equipment) or use high pressure breathing gases. Some of these conditions also affect people who work in raised pressure environments out of… …
2Free-diving — Free diver with monofin, ascending. Freediving is any of various aquatic activities that share the practice of breath hold underwater diving. Examples include breathhold spear fishing, freedive photography, apnea competitions and, to a degree,… …
3Diving cylinder — Diving cylinders to be filled at a diving air compressor station …
4Mammalian diving reflex — The mammalian diving reflex is a reflex in mammals which optimizes respiration to allow staying underwater for extended periods of time. It is exhibited strongly in aquatic mammals (seals,[1] otters, dolphins, etc.), but exists in a weaker… …
5Decompression (diving) — Divers decompressing in the water at the end of a dive Decompression in the context of diving derives from the reduction in ambient pressure experienced by the diver during the ascent at the end of a dive or hyperbaric exposure and refers to both …
6Diving equipment — Surface supplied commercial diving equipment on display at a trade show Diving equipment is equipment used by underwater divers for the purpose of facilitating diving activities. This may be equipment primarily intended for this purpose, or… …
7Underwater diving — This article refers to underwater diving by humans. For other uses of the term diving, see dive and diving Underwater diving is the practice of going underwater with or without breathing apparatus. Recreational diving is a popular activity (also… …
8List of diving hazards and precautions — Contents 1 Effects of relying on breathing equipment while underwater 2 Effects of barotrauma or pressure damage 2.1 …
9Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… …
10Timeline of diving technology — This is a timeline of underwater technology. The entries marked ## are about decompression tables.[1] Contents 1 Pre industrial 2 19th century 2.1 Rebreathers appear …
