Air vibrates helmet. Helmet vibrates helmet (two). Helmet vibrates air (inside helmet two).
A concentrated light is called: A Lazer.
polarized light
Light that bend called 'refracted' or refraction of light and that turn back is called 'reflected' or rflection of light.
It is called 'polarized light' .
The traditional samurai helmet is called a kabuto.
They call it a "helmet."
Attic helmet, Corinthian helmet, Beotian helmet, Chalcidian helmet, Illyrian helmet, Boar's tusk helmet.
There is no typical name for it besides helmet, but it can also be called an equestrian helmet
Helmet mask cape light saber
it is called a "bridal"
a helmet is called 'un casque' (masc.) in French
The benefits of a Protec helmet are many. This helmet has been called the 'classic bike helmet'. It protects your head when you are participating in sports that can cause damage if a helmet is not used.
A burgonet is a light helmet worn by infantrymen.
It's called a helmet. Just like how you wear a helmet on a bike, to protect you when you fall, they wear helmets all the time to protect them when they fall.
ummmm a hussars helmet Actually the name and origin were taken from the Germans and called a pappenheim helmet.
In the 15th century, a helmet with a visor worn with a suit of armor is called a close helmet or a close helm. This type of helmet provided more protection to the head and face compared to earlier helmet designs.