environmental
agent
alert
attention
background
beware
black
caution
chemical
circle
danger
danger sign
dangerous
environment
harmful
hazard
hazardous
health
icon
illustration
industrial
industry
information
irritant
isolated
label
material
oxidant
oxidizer
oxidizing
oxygen
pictogram
poison
protection
raster
reaction
risk
safety
sign
sticker
substance
symbol
warn
warning
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