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An underwater torch is available in the Education Edition of the Minecraft sandbox video game, created by combining a torch with magnesium on a crafting table. [7] Featured occasionally in the Sea Hunt television show. [8] Magnesium torches were used in the documentary series The Undersea World of Jacques Cousteau. "The Secrets of the Sunken ...
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Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...
Enchantment, enchanting or enchantingly may refer to: Look up enchanting , enchantingly , or enchantment in Wiktionary, the free dictionary. Incantation or enchantment, a magical spell, charm, or bewitchment, in traditional fairy tales or fantasy
Underwater breathing apparatus is equipment or systems which allow the user to breathe underwater. There is a sub-category for components.
The historically older open diving chamber, known as an open diving bell or wet bell, is in effect a compartment with an open bottom that contains a gas space above a free water surface, which allows divers to breathe underwater. The compartment may be large enough to fully accommodate the divers above the water, or may be smaller, and just ...
In underwater diving activities such as saturation diving, technical diving and nitrox diving, the maximum operating depth (MOD) of a breathing gas is the depth below which the partial pressure of oxygen (pO 2) of the gas mix exceeds an acceptable limit.
Others may breathe atmospheric air while remaining submerged, via breathing tubes or trapped air bubbles, though some aquatic insects may remain submerged indefinitely and respire using a plastron. A number of insects have an aquatic juvenile phase and an adult phase on land. In these case adaptions for life in water are lost at the final ecdysis