Keep unauthorized people out of your cleanroom by displaying this sign
These signs are intended to indicate potential, type, and degree of the hazard that may lead to accidental injury or property damage. They are intended to define specific hazards by conveying a clear, easily understood message. The sign headers and colors used in accident prevention safety signs are specified by OSHA and ANSI to designate the severity of the hazard. Each color has a specific role.
NOTICE (blue): Indicates a statement of company policy directly or indirectly related to the safety of personnel or protection of property.