INTRODUCTION
Recently there have been many bombs in crowded places, especially in Indonesia area, a few days ago there was a bomb explosion in surabaya area and yesterday there was a sudden attack on the Police Headquarters of Riau, this raises the concerns caused by a group of people who can harm people around, today I get a message on whatsapp that provides a useful theory of theories to save themselves in the event of a suicide bomb or a bomb blast.
CONCLUSION
Everyone who is in a crowded community environment must learn a few things and must understand for self-saving steps, as follows:
The 3 things above are the basic things to know, and when hearing a big explosive sound then the first rescue action is down because the bomb corners are shot down just having a 10 %.
