機器
asphalt
auto
automobile
big
car
cargo
carry
caterpillar
construction
dirt
disposal
dredge
dredger
driver
dump
dumper
duty
engine
freeway
good
hard
heap
heavy
huge
large
lift
long
lorry
motor
mover
nobody
operate
outside
over
overload
overweight
pile
power
quarry
road
scoop
semi
shovel
soil
steel
tractor
trailer
transport
transportation
transporter
truck
vehicle
way
weight
wheel
wide
yellow