機器
abandoned
apartment
architecture
axle
building
business
cable
coil
construction
copper
down
electric
electrical
electricity
elevator
energy
engines
floor
generator
heavy
high
hotel
inductor
industrial
inside
iron
level
lift
load
metal
motor
office
old
part
power
rotate
rotation
rotor
sling
speed
spin
steel
technology
transport
transportation
turn
up
winding
wire