英文關鍵字
construction
equipment
excavator
vehicle
digger
timelapse
time
lapse
loader
machinery
industry
transport
machine
earth
rails
tram
dig
sand
ground
bucket
backhoe
bulldozer
road
excavation
industrial
work
site
mover
soil
mining
natural
yellow
crawler
dumper
unloading
tipper
hydraulic
loading
eathmoving
marble
dirt
blade
lorry
land
duty
excavate
mine
tracks
mountain