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In 1989, Victorinox entered the timepiece business in the United States under the brand name "Swiss Army". [19] Victorinox has various collections of watches which range from luxury dress watches to rugged diving watches. They feature mechanical and quartz movements. Collections include Infantry, Heritage, Divemaster, Airboss and I.N.O.X.
Carl Elsener Jr. is the great-grandson of Karl Elsener (1860–1918) and the son of Carl Elsener Sr. (1922–2013). Karl Elsener had opened a factory in Ibach in 1884 [2] for the production of knives and surgical instruments, [3] from which the Messerfabrik Victorinox developed.
Some watch manufacturers manage the internal overpressure effect by simply making the case and sealed connected parts adequately sealed or strong enough to avoid or withstand the internal pressure, [1] but Rolex and Doxa S.A. approached the problem by creating the helium escape valve in the 1960s (first introduced in the Rolex Submariner/Sea-Dweller and the Doxa Conquistador): A small, spring ...
Malaika Vaz was born to Marusha Vaz and Mac Vaz, and has two younger brothers, Mikhail and Marc. [6] As a windsurfer, sailor and Professional Association of Diving Instructors Divemaster, she has developed a strong connection to the ocean and has witnessed the effects of unsustainable tourism on the Marine ecosystem. [7]
A divemaster (DM) is a role that includes organising and leading recreational dives, particularly in a professional capacity, and is a qualification used in many parts of the world in recreational scuba diving for a diver who has supervisory responsibility for a group of divers and as a dive guide.
Carl Maxie Brashear (19 January 1931 – 25 July 2006) was a United States Navy sailor. He was a Master Diver, rising to the position in 1970, despite having his lower left leg amputated in 1966.
The role of the divemaster in the planned dive. How the divers can recognize the dive leader underwater, where the divemaster will be relative to the group during the dive and also what they will do to attract attention. [4] Entry and exit techniques to be used for the dive; The planned procedures for the dive.
The Aqua-Lung is a self-contained open-circuit demand system, which means that breathing gas is provided from high-pressure storage carried by to the diver on demand, when the diver inhales and reduces the pressure in the supply hose, subsequently the flow is shut off when not required.
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