機器
auto
bucket
business
capacity
cargo
carrier
carry
coal
construction
development
diamond
digger
dump
dumper
earth mover
excavator
exploitation
field
grub
haul
heavy
industrial
industry
iron
job
load
loader
lorry
machinery
metal
mine
minerals
mining
open
open pit
ore
pit
quarry
resource
tipper
truck
vehicle
wealth
work