燃やす
air
building
change
chimney
climate
coal
cooling
corporation
danger
diesel
ecology
electric
electricity
employment
energy
environment
factory
fuel
gas
generate
generation
generator
global
heat
industrial
industry
lighting
lights
manufacturing
night
old
pipe
plant
pollute
pollution
power
production
protection
resourse
smog
smoke
station
steam
technology
toxic
vapor
warmth
white
work