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