機器
architecture
belt
brick
build
business
cement
commercial
concrete
construction
container
conveyor
equipment
facility
factory
few
gravel
green
grunge
heavy
industrial
industry
inside
machinery
manufacture
manufacturing
material
metal
mix
pipes
pipework
plant
process
processing
produce
production
relay
site
stationary
steel
storage
structure
tank
technology
tower
transporter
work
workplace