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