燃やす
atomics
burner
change
chemical
coal
contaminating
contaminative
danger
dirty source
effort
electric
electricity
emission
energy
environment
fire
flame
fossil
fuel
gasoline
generation
heat
heating
industrial
landscape banner
linear sign
manufacturing
modern industry
natural gas
nonrenewable power
nuclear station
oil
pipe
pipeline
plant
polluting resource
pollution
portrait poster
prevention
production
propane
slogan
stop
storage
symbol
technology
transportation
vector illustration
warning