英文關鍵字
factory
building
debris
deserted
abandoned
structure
plant
chimney
waste
pipe
concrete
danger
dust
oncology
matter
jeopardy
hazard
ground
cancer
green
fumes
fatality
exhaust
carbon
environmental
endangerment
combustion
emission
drone
dioxide
toxic
provision
ash
peril
unstable
prohibition
pyrite
outdoors
particulate
particle
threat
death
smog
vapour
red
ruins
pollution
risk
old