機器
appliance
auto
automatic
background
blue
cistern
construction
control
device
distribution
electric
electrical
energy
engine
equipment
flow
fluid
home
house
industrial
infrastructure
instrument
machinery
metal
modern
motor
object
pipe
pipeline
power
powerful
pressure
pump
pvc
residential
stainless
station
steel
storage
suction
supply
system
tank
technology
tool
tube
valve
water
white