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- safety signs
- fire protection
- danger
- alert
- warn
- fire safety
- safety
- danger sign
- security system
- safe
- protection
- security
- background fire
- control room
- start
- background office
- red wall
- burn
- emergency
- background wall
- school wall
- control panel
- fogo
- wall
- red room
- switch
- building wall
- building office
- oficina
- background building
- office wall
- office room
- accident
- flame
- background business