英文關鍵字
chemical
chimney
coke
coking
contamination
cooling
dirty
ecological
energy
environment
environmental
extinguishing
factory
gas
industrial
industry
manufacturing
metal
metallurgic
metallurgical
metallurgy
modern
outside
plant
pollute
pollution
power
process
production
quenching
refinery
smog
smoke
smokestack
steam
technology
toxic
work
workflow