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Industrial inspector wearing a thermoplastic hard hat in Cologne, Germany. A hard hat is a type of helmet predominantly used in hazardous environments such as industrial or construction sites to protect the head from injury due to falling objects (such as tools and debris), impact with other objects, and electric shock, as well as from rain.
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.
The SSh-39 was of simple, more modern design, and was much easier to manufacture than the SSh-36. The SSh-39 would be the standard design for Soviet helmets for the next 29 years, with only minor changes occurring during that time. [citation needed] It is also the design for the helmet on the Tomb of the Unknown Soldier in Moscow.
Construction worker wearing an MSA Skullgard hard hat at Douglas Dam, Tennessee (), 1942. Mine Safety Appliances, or MSA Safety Incorporated, is an American manufacturer and supplier of safety equipment designed for use in a variety of hazardous conditions in industries such as construction, the military, fire service, and chemical, oil, and gas production.
The John B. Stetson Company, founded by John B. Stetson in 1865, was the maker of the Stetson cowboy hats, but ceased manufacturing in 1970. [1] Stetson hats are now being manufactured in Garland, Texas, by Hatco, Inc., who also produce Resistol and Charlie 1 Horse hats. [2] Stetson resumed manufacturing in the 1980s, but the company went ...
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The M1935 design was slightly modified in 1940 to simplify its construction, the manufacturing process now incorporating more automated stamping methods. The principal change was to stamp the ventilator hole mounts directly onto the shell, rather than utilizing separate fittings. In other respects, the M1940 helmet was identical to the M1935.
Kettle hat: 12th century: Common all over medieval Europe. Morion: 16th and early 17th centuries: Europeans (esp. associated with Spanish Conquistadores) Nasal helmet: Early Middle Ages: Byzantine Empire, later common all over Europe. Pickelhaube [4] [5] 1842: especially by Prussia & German Empire and other Europeans until 1918 Raupenhelm: c ...
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