機器
activity
background
backhoe
bucket
build
bulldozer
cast
construct
construction
cut
development
diesel
digger
earth
engine
equipment
excavating
excavator
exploitation
gravel
ground
heap
heavy
hole
hollow
industrial
industry
iron
job
labor
land
large
loader
mine
mover
orange
outdoors
pit
power
sand
sandpit
scoop
shovel
site
soil
strip
trench
vehicle
works