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Arai Helmet, Limited: SVG development . The SVG code is . This text-logo was created with Inkscape. Licensing. Public domain Public domain false false:
Two main forms of helmet construction were adopted by the Romans at much the same time: the ridge helmet, described here, and the Spangenhelm, which was likely adopted from the Sarmatians. [2] The earliest confirmed example of a Late Roman ridge helmet is the Richborough helmet, which dates to about 280 AD.
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. Suspension bands inside the helmet spread the helmet's weight and the force ...
The M1971 helmet (Also known as M71) is a military steel combat helmet used by Switzerland from its formal introduction in 1971 until its gradual replacement by the Schuberth B826 (known in Switzerland as the Schutzhelm 04 (in German) or casque de protection balistique 04 (in French)).
Arai Helmet Limited (株式会社 アライヘルメット, Kabushiki-gaisha Arai Herumetto) is a Japanese company that designs and manufactures motorcycle helmets and other helmets for motorsports. The business has roots from the turn of the century involving cap production, followed by military headgear from 1930 onwards, industrial safety ...
Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemical, biohazards , and airborne particulate matter .
The Helmholtz decomposition in three dimensions was first described in 1849 [9] by George Gabriel Stokes for a theory of diffraction. Hermann von Helmholtz published his paper on some hydrodynamic basic equations in 1858, [10] [11] which was part of his research on the Helmholtz's theorems describing the motion of fluid in the vicinity of vortex lines. [11]
Combat Helmet — New helmet for the special forces, currently entering service. The helmet selected has a Multitarn cover, it is based on the Trivium helmet, and is the super high cut variant. Contract signed in August 2022 with Hexonia GmbH (German company part of the Norwegian NFM Group). [108] [109] Body armour Mehler Vario System MOBAST