Risk
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Risk is the possibility of something bad happening, comprising a level of uncertainty about the effects and implications of an activity, particularly negative and undesirable consequences.
Firefighters are exposed to risks of fire and building collapse during their work.
Harbor sign warning visitors that use of the walkway is "at your own risk"
Artist's impression of a major asteroid impact, an example of a global catastrophic risk.
Safety
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Safety is the state of being protected from harm or other danger. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk.
Warning signs, such as this one, can improve safety awareness.
"After whiskey driving risky" safety road sign in Ladakh, India
Platform screen doors are primarily used for passenger safety to prevent users from falling down on the tracks.
A mug reminds the drinker to be careful.