英文關鍵字
asphalt
backhoe
bulldozer
city
closeup
concrete
construction
cracked
crawler
crushed
destruction
devastation
driving
dug
excavator
gravel
gripping
ground
industrial
industry
job
machine
maintenance
moving
old
outdoor
pits
push
repair
road
scoop
site
small
stands
street
technical
tool
tractor
transportation
undercarriage
urban
work
worker