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