![]() Ancient Roman and Greek era.: There have been many instances of men swimming or diving for combat, but they always had to hold their breath, and had no diving equipment, except sometimes a hollow plant stem used as a snorkel.and sufficient mobility to get to and from the workplace.the ability to see clearly enough to effectively perform the task,.safely decompressing from high underwater pressure to surface pressure,.the provision of breathing gas to allow endurance beyond the limits of a single breath,. ![]() With the partial exception of breath-hold diving, the development of underwater diving capacity, scope, and popularity, has been closely linked to available technology, and the physiological constraints of the underwater environment. ![]() The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment.
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