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A horn pattern that indicates an air raid alert.
Related tags
- exclamation mark
- exclamation
- attention
- alert
- warn
- danger sign
- attention sign
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- danger
- caution
- hazard
- caution sign
- announcement background
- error
- safety signs
- stop
- announcement
- graphics
- black line
- seamless
- art
- pattern
- simple
- design
- line
- symbol
- graphic illustration
- information
- pattern seamless
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