機器
abandoned
actuator
background
component
cooling
copper
current
device
electric
electrical
electricity
electromagnet
electronic
energy
engine
engineering
equipment
factory
generator
gray
heavy
inductor
industrial
industry
machinery
magnetic
manufacturing
mechanic
metal
model
motor
nobody
object
old
part
plant
power
powerful
rotate
rotor
russian
rusty
scrap
small
solder
steel
technology
threephase
used