Risk, the word itself sounds something vulnerable, it is the probability or threat of injury, damage, loss, liability or some negative occurrence which can be avoided with preventive approach. Hazard and risk have a consistent relationship with any work activities carried out on a work (e.g. construction) site.
Safety should be considered as a precedence in EVERY Industry.
All untoward incidents, which could not be prevented from occurrence, indicate that failures have occurred. It is very essential to draw lessons from it, improve the situation and avoid it in future.