Yellow warning sign screwed to a brick wall In the middle of the panel there is a biohazard symbol
Related tags:
- hazard sign
- toxic
- safety signs
- forbidden
- biohazard
- forbidden sign
- protection
- safety and security
- hazard
- hazardous waste
- no sign
- safety
- danger sign
- threat
- warning sign
- no symbol
- danger
- security
- alert sign
- warning symbol
- security technology
- warning
- information security
- biology
- death
- science pattern
- alert
- evil
- signs and symbols
- security background
- bacterium
- biology background
- chemical
- science
- risk
