機器
3d
alternating
background
copper
current
device
electric
electrical
electricity
electromagnetic
electromagnetism
energy
engine
engineering
equipment
generator
gold
golden
icon
illustration
inductor
industrial
industry
iron
isolated
magnet
magnetic
magnetism
metal
motor
mover
object
phase
power
pump
reduction
render
rotation
rotor
sign
starter
steel
symbol
technology
white
winding
wire
wiring
yellow