Same reason as helmets have always been, and are used - to protect their heads against impact.
Another legend says that during World War II the Mason Jar Company stopped making jars and made the helmets for Marines. The nickname started to be used after the name "Mason" was noticed printed in the helmets.
The Babylonians used copper for a lot of things. They mixed certain metals and found they discovered Bronze. It is a harder metal that could be used for weapons, protective helmets and chest plates.
It is the Steelmark insignia used by the American Iron & Steel institute. It was created by U.S. Steel, now known as USX Corp.
the shapes on the sides of helmets were used to identify a soldiers regiment the spade was (506th parachute infantry regiment)
In world war one, helmets where made of steel, to help protect your head from any bullets or other weapons used (:
They are stickers used normally on helmets.
kind of sometimes it depends
Chin straps come in handy by securing a helmet to the head. The are used for baseball helmets, football helmets, combat helmets, hockey helmets, and motorcycle helmets.
Bern helmets are used to protect one's head while bicycling. They are lightweight helmets made for men, women, and children in a variety of styles and colors.
they used rifles, shotguns, helmets to cover their heads, and alot of pistols
The top ten most used metals in the world are iron, aluminum, copper, zinc, lead, nickel, tin, magnesium, titanium, and chromium. These metals are widely used in various industries for manufacturing and construction purposes.
The most used, especially in younger leauges, are Schutt and Ridell helmets. In the older leagues you also start to see a more modern designed helmets that is a Revolution helmet
Pure metals often do not have properties optimal for real world applications. Alloying can get you closer.
yes
plastic
The Department of Transportation regulations for open face helmets are prohibiting the usage of open face helmets for motorcycle riders. Open face helmets can be used by bicycle riders.