A Fireman's helmet is made from metals such as brass, aluminum and nickel. You can get more information about this at the Wikipedia. Once on the website, type "Firefighter's helmet" into the search field at the top of the page and press enter to bring up the information.
Fireman's Helmets were originally make out of a very heavy, stuff leather.
Modern helmets are made from a very strong fiberglass & plastic combination that will not shatter when hit, can withstand intense heat, and are much lighter than the leather that they replaced. They are well padded and insulated
on the inside.
Soldiers helmets are now made from a material called Kevlar. Kevlar is a product from DuPont and is not only used in military helmets for vests for law enforcement.
Leather or Lycra material with padding in them appears to be the most common.
No there is not any helmets made out of reyceld gargabe!
Helmets are mostly made from polystyrene
In world war one, helmets where made of steel, to help protect your head from any bullets or other weapons used (:
plastic
The company is Italian but the helmets are made all over the world.
Roman helmets were made of bronze or iron.
There are no helmets made specifically for Mining, but normal Helmets do exist in Minecraft.
The demand for helmets made from declined with the advent of the industrial era
Modern US army helmets are made from Kevlar.
world war 1 helmets were made fom sheep skin and cows
asteroid
Football and aviation (pilot) helmets were constructed of leather.