What is this?
slip
What is this?
warning
What is this?
toxic
What is this?
poison
What is this?
inhale
What is this?
protective
What is this?
hard hat
What is this?
emergency
What is this?
restricted
What is this?
hazard
What is this?
corrisive
What is this?
co-worker
What is this?
explode
What is this?
first aid
What is this?
caution
What is this?
danger
What is this?
safety
What is this?
Accident
What is this?
fire extinguisher
What is this?
exposure
What is this?
radiation