機器
boring
boulder
breaking
cargo
carry
concrete
construction
construction site
development
digging
dump
dust
earthmover
engineer
engineering
equipment
excavate
excavation
gravel
haul
hydraulic
industrial
industry
load
loading
lorry
machinery
manufacturing
marble
mine
mineral
mining
move
mover
panorama
process
quarry
rock
stone
tractor
transfer
transport
transportation
truck
unloading
vehicle
work
working