機器
abstract
architecture
automatic
batching
belt
blue
build
business
cement
commercial
concrete
construction
container
conveyor
equipment
facility
factory
gravel
grey
grunge
heavy
industrial
industry
machinery
manufacture
manufacturing
material
mix
mixer
pipes
pipework
plant
process
processing
produce
production
sand
silo
site
sky
stationary
steel
storage
structure
tank
technology
tower
work
workplace