燃やす
alcohol
analysis
apparatus
blue
bright
burner
chemical
chemistry
color
colorful
container
design
education
equipment
experiment
fire
flame
flat
gas
glass
glassware
glowing
green
heat
icon
illustration
instrument
isolated
lab
laboratory
lamp
light
liquid
neon
object
research
science
scientific
sign
spirit
symbol
test
tool
transparent
wick
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