I was fixing the right speaker because it was buzzing and i did. but i scratched a thing by mistake when i was trying to remove a white rubber so hard.
I lost my both white rubber so i used black rubber from old 3ds
so i need to fix that scratch and coloring the black rubber to white rubber...
They gave him a warning. This was at nearly the end of the school year. The teacher continued working there for a few weeks, but at the next school year he wasn't there anymore. So I don't know if he left or got fired ¯\_(ツ)_/¯