燃やす
acid
bottle
chemical
chemistry
compound
corrosion
corrosive
danger
dangerous
destroy
ethanolamine
factory
glass
hazard
hazardous
industrial
industry
lab
label
laboratory
liquid
manufacturing
material
mono
monoethanolamine
object
ph
poison
reaction
research
risk
scale
science
skin
soda
sodium
solution
substance
symbol
test
warning
water