機器
during
african
and
big
bucket
build
building
bulldozer
caterpillar
construction
contractor
dig
digger
digging
dirt
dozer
dragline
dredge
dredger
dredgers
dredges
dredging
driver
driving
earth
earthmoving
excavator
excavators
frost
ground
heap
hour
hours
inactive
interval
machinery
machines
nature
new
operate
operator
orange
parked
pause
pile
power
push
shovel
soil
stop
tractor
transport
transporting
vehicle
wheel
window
with
work
worker
working
yellow