燃やす
analysis
bottle
chemical
chemicals
chemist
chemistry
container
danger
dangerous
destroy
develop
discovery
education
equipment
experiment
factory
flammability
flammable
fuel
glass
hazard
hazardous
industrial
industry
information
knowledge
lab
label
laboratory
liquid
manufacturing
material
mix
poison
research
risk
safety
sample
science
scientist
solution
study
substance
symbol
test
tube
warning
water