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Animated films where a significant portion of the action takes place underwater. They do not necessarily have anything to do with underwater diving . Pages in category "Animated films set underwater"
This is a very large navbox and should autocollapse other than in exceptional cicumstances. The unnamed parameter should be set to expand the collapsible group in which the topic af the article is listed. If it is listed in more than one group, use the most generally applicable. If in doubt, ask at Wikipedia talk:WikiProject Underwater diving.
The only requirement was that this image was invisible, either by being the same color as the page, or by being transparent. Spacer GIFs themselves were small transparent image files. GIF files were used as it was a common format that supported transparency, unlike JPEG. These files were commonly named spacer.gif, transparent.gif or 1x1.gif.
The images may also function as animation frames in an animated GIF file, but again these need not fill the entire logical screen. GIF files start with a fixed-length header ("GIF87a" or "GIF89a") giving the version, followed by a fixed-length Logical Screen Descriptor giving the pixel dimensions and other characteristics of the logical screen.
An example of computer animation which is produced from the "motion capture" techniqueComputer animation is the process used for digitally generating moving images. The more general term computer-generated imagery (CGI) encompasses both still images and moving images, while computer animation only refers to moving images.
Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The word scuba is an acronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent ...
Very long or deep dives using open circuit scuba equipment may not be feasible as there are limits to the number and weight of diving cylinders the diver can carry. The economy of gas consumption of a rebreather is also useful when the gas mix being breathed contains expensive gases, such as helium.
Person trained in scuba diving or swimming underwater in a military capacity which can include combat command signal A signal from a diver in a team that requires a response from the other diver. There are three: "Are you OK", "Hold", and "Surface" (terminate the dive). [9] commercial diving. Main article: Commercial diving