I was injured by a steel bar, let me know how to do it

Whether you post to Space or Post, whether you want your friends to know about it, whether you want to appeal to society, or whether you want to complain about injustice, the content of what you post is different.

If you want your friends to know, just post it like this:

I’m so unlucky. On xx, xx, I was injured by a steel bar and injured the xx area. Fortunately, The thing is, the injury is not too serious, so don't worry about it.