英文關鍵字
asphalt
backhoe
bright
britain
british
bucket
build
cable
city
concrete
construction
constructon
day
detached
digger
digging
earth
england
english
equipment
excavating
excavation
excavator
farm
fiber
footings
gear
ground
hard
heavy
hoe
hole
industrial
jcb
landscape
large
laying
line
machinery
motion
narrow
optic
road
site
street
tools
vehicle
wide
work
works