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Speedglas welding helmet. The modern welding helmet used today was first introduced in 1937 by Willson Products. [5] In 1981, Swedish manufacturer Hornell International (now owned by 3M [6]) introduced an LCD electronic shutter that darkens automatically when sensors detect the bright welding arc, [7] the Speedglas Auto-Darkening Filter. With ...
Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.
3M Company (originally the Minnesota Mining and Manufacturing Company) is an American multinational conglomerate operating in the fields of industry, ...
Easily shaped with heat, it is cost-effective to manufacture. In 1952, MSA offered the Shockgard Helmet to protect linemen from electrical shock of up to 10,000 volts. 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.
Philadelphia Eagles quarterback Jalen Hurts (1) runs with the ball during the first half of an NFL football game against the Washington Commanders, Sunday, Dec. 22, 2024, in Landover, Md. (AP ...
In the 1990s, work on the creation of new types of protective helmets was not a priority for the state structures of Ukraine due to the presence of significant stocks of Soviet-made steel helmets SSh-68, SSh-60 and SSh-40, the number of which exceeded the needs of the Armed Forces of Ukraine. As a result, only in 1997 was a document established ...
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