Lanscape contractors are not required to wear helmets. However, many do elect to do so when working on projects wear their head is exposed.
NFL players were first required to wear helmets in 1943. At the time, they were made of leather. They then went to being made of plastic and now are made of polycarbonate.
Sikhs
All helmets must be DOT approved and have the DOT sticker on them, in the US, when helmets are required.
Yes, mc riders in the entire state of Ca. are required to wear DOT approved helmets although enforcement of the DOT requirement is virtually non-existent. Many riders including myself use what are commonly known as "novelty" helmets.
In Oklahoma, riders 17 and younger are required by law to wear helmets. If you are over 17, you are not required by law to wear a helmet
all motorcyclists wear helmets, squids don't wear helmets.
Pitchers do not wear helmets while on the mound because they are not required to by the rules of baseball. Additionally, helmets could potentially hinder a pitcher's performance by affecting their vision and comfort while pitching.
Kind of a loaded question for many but yes they should
all ages are required to wear a motorcycle helmet, unless you live in a state where there are no helmet requirement... but there are not too many states that don't have a helmet requirement
As long as you are riding the motorcycle in the state. Helmets are required by Minnesota law.
Sikhs do not have to wear crash helmets as part of there religion.
Mostly vert pro skaters wear the helmets.