Personal Protective Equipment is designed for this reason. This can include helmets, gloves, vests, anything that protects you in hazardous environments.
Protective equipment serves to prevent accidents when the person engages in some activity that carries some risk of injury.
In some jobs these devices are mandatory and are called work safety equipment. They are helmets, ear protectors against noise, vests, masks, depends on the work activity.
There are also personal protective equipment such as helmets, gloves, caps and every person should use when performing some activity that requires protection. For example, riding a motorcycle.
And he said that meens Im doing something grate for sience and Ill be famus and my name will go down in the books. I dont care so much about beeing famus. I just want to be smart like other pepul so I can have lots of frends who like me.