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Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage, civil engineering, pearl shell diving and other commercial diving work, and similar naval diving applications.
Gorski is a brand of lightweight demand diving helmet with a stainless steel shell, owned by Aqua Lung. [60] [61] In 2004, Leszek Górski's G2000SS diving helmet went into production, and in 2011, Gorski’s company was bought out by Aqua Lung. The G3000 helmet uses a high-performance Apeks GX300 regulator.
In 1961, MSA released the Topgard Helmet, the first polycarbonate hard hat. 1962 brought the V-Gard Helmet, which today is the most widely used hard hat in the United States. [citation needed] Today, most hard hats are made from high-density polyethylene (HDPE) or advanced engineering resins, such as Ultem.
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1842 sketch of the Deane brothers' diving helmet Standard diving dress with Dräger DM-40 semi-closed circuit nitrox rebreather set. In 1405, Konrad Kyeser described a diving dress made of a leather jacket and metal helmet with two glass windows. The jacket and helmet were lined by sponge to "retain the air" and a leather pipe was connected to ...
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