機器
automated
automatic
background
bakery
building
closeup
confectionery
conveyor
detail
energy
engineering
equipment
facility
factory
faucet
industrial
industry
installation
interior
line
machinery
manufacture
manufacturing
metal
modern
nobody
object
pipe
piping
plant
power
pressure
production
protection
pump
safety
shine
shop
stainless
steel
still
structure
system
technical
technology
tube
valve
work
workshop