燃やす
environmental
ash
burning
chemical
chimney
cloud
combustion
concept
energy
energy recovery
environment
factory
fire
flame
flue gas
furnace
garbage
gasification
heat
illustration
incineration
incinerator
oven
plant
pollution
power
problem
process
pyrolysis
recovery
smoke
smokestack
tag
technology
thermal
thermal treatment
toxic
treatment
waste
waste to energy
waste treatment
word
word cloud
wte