Ones that block 99% to 100%<span> UV rays.</span>
Answer:
because they can do some things and harm you
Explanation:
Hey there,
Answer: I know 3 ways
1. Be prepared by practicing as much as you can
2. Limit your sugar intake before the performance - in other words, don't eat too much of sweets before your performance
3. Stop scaring yourself with the thoughts "Something might go wrong"
Hope this helps :D
<em>~Top♥</em>