機器
activity
backhoe
build
bulldozer
business
car
caterpillar
coast
construct
construction
delivering
dig
digger
dump
dumper
earth mover
employment
equipment
excavator
fraught
ground
heavy
industrial
industry
land
large
loader
loader excavator
machinery
outdoors
relocation
removal
road
sand
sea
site
sky
soil
track
tractor
trailer
transport
transportation
truck
truckload
vehicle
wheel
work
yellow