英文關鍵字
chemical
chimney
closeup
coke
coking
contamination
cooling
energy
environment
environmental
extinguishing
factory
fire
gas
hot
industrial
industry
manufacturing
metal
metallurgic
metallurgical
metallurgy
modern
outside
plant
pollute
pollution
power
process
production
quenching
red
slowmotion
smog
smoke
steam
technology
toxic
workflow