accident
advice
alarm
alert
area
attention
background
beware
black
blue
business
button
careful
caution
chemistry
construction
danger
dangerous
design
earth
fire
flammable
gas
hazard
hidden
icon
industrial
industry
information
liquid
metal
oil
plant
prohibition
protection
risk
road
rule
safety
security
sign
signboard
stop
street
symbol
triangle
warn
warning
white
yellow
定額
Gas sign with inscriptions in Serbian, Montenegrin and Croatian - be careful, gas. Metal warning sign against the blue sky and buildings. Gas pipeline laying. Serbia, Sremska Mitrovica.の素材 [FY310153025717]
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