![Sign language is useful](https://www.sayu-fi.fun/wp-content/uploads/2022/06/6B14760B-A67E-4DF1-AAF2-AE8E8504C280.jpeg)
Clear boards have been installed in various places to prevent infections.This makes it very difficult to hear voices.
However, if you use sign language, you can still have a conversation.The good thing about sign language is that you can talk with people who are a little far away from you.