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
peril
death
prohibition
red
outdoors
pollution
provision
unstable
particle
risk
ash
vapour
toxic
ruins
smog
old
particulate
pyrite
threat