ear and eye protection
Yes you can actually wear Glasses to Air Cadets it's probably likely Recommended especially for Shooting, Gliding, Flying etc.
It will wear down over time.
No
There is no town that has a law that makes it mandatory for anyone to wear a firearm.
Shooting sleeves.
When on the shooting line, always treat every firearm as if it is loaded, ensuring that the muzzle is pointed downrange at all times. Maintain a safe distance from other shooters and refrain from talking or distracting them while they are aiming. Lastly, always wear appropriate safety gear, such as eye and ear protection, to minimize the risk of injury.
because it helps the gunsmith protects itself
you cant wear it unless you have a doctors note !!
to support an injury to the elbow or bicep or to keep sweat off their shooting hand
Three factors that can prevent a firearm examiner from obtaining a perfect match of striation markings on two bullets include: 1) Variability in the manufacturing process of the firearm or bullet, which can introduce minor differences in striation patterns; 2) Wear and tear on the firearm's barrel, which can alter the unique markings it imparts on bullets over time; and 3) Differences in the conditions under which the bullets were fired, such as variations in ammunition type, barrel cleanliness, or shooting techniques, which can affect the final striation characteristics.
Those are actually called "shooting sleeves" and basketball players wear them to help maintain their shooting form.
if you are just target shooting then yes, but if there is anouther person shooting at you, then WEAR A MASK!! protect your eyes.