燃やす
acid
attention
avoid
background
black
caustic
caution
chemical
chemicals
chemistry
contact
corrosion
corrosive
danger
dangerous
electrical
fire
gambling
gloves
hand
harmful
hazardous
high
hydrochloric
icon
illustration
industrial
irritant
isolated
liquid
materials
pictogram
poison
protection
risk
safety
shock
sign
skin
substance
sulfuric
symbol
toxic
use
warning
wear
white