英文關鍵字
cctv
construction
site
digger
rain
recording
privacy
security
protection
surveillance
machine
earth
mover
office
building
raining
work
weather
wet
water
industrial
industry
shower
downpour
pouring
rainfall
winter
bad
cold
stopped
parked
delay
delayed
trees
area
jcb
caterpillar
crate
metal
temporary