英文關鍵字
big
building
business
car
cargo
carry
carrying
construction
delivery
dirt
dump
dumper
dust
earth
equipment
excavator
field
gravel
ground
heavy
industrial
industry
land
landscape
large
load
loader
lorry
machine
machinery
management
material
mining
outdoor
planning
road
rock
sand
site
sky
soil
stone
tipper
transport
transportation
truck
vehicle
wheel
work