機器
automatic
bin
build
building
bulldozer
bunker
business
cement
concrete
construction
construction site
container
equipment
excavator
facility
factory
frontend loader
gravel
industrial
industry
load hopper
loader
loading
machinery
manufacture
manufacturing
material
mix
mixer
pipes
plant
process
produce
production
sand
silo
stationary concrete batching plant
storage
storage bunker
structure
tank
technology
tower
work
workplace