機器
activity
backhoe
big
blue
bucket
bulldozer
carry
construct
construction
development
diesel
dig
digger
drive
dumper
earthmover
equipment
excavate
excavation
excavator
heavy
hydraulic
industrial
industry
land
large
lift
load
loader
lorry
machinery
metal
mining
mover
power
rock
scoop
sea
site
sky
steel
stone
sunny
tractor
truck
vehicle
water
work