機器
activity
blade
bulldozer
construction
construction equipment
construction site
contractor
crushed stone
development
driver
earth
earthmover
earthmoving
excavating
grader
grading
gravel
ground
heavy
hydraulic
improvement
job
leveler
leveling
loader
machinery
metal
mining
motor
mover
operator
outdoor
paving
power
quarry
road
rubble
rural
sand
scoop
sky
stones
technology
tractor
tractor driver
vehicle
work
yellow