機器
abstract
background
cable
closeup
coil
color
communication
construction
cool
copper
crazy
design
detail
electric
electrical
electricity
electronic
energy
equipment
expensive
factory
industrial
industry
isolated
light
line
material
metal
metallic
money
object
part
picture
power
production
red
repair
roll
scrap
sharp
shine
shiny
special
steel
supply
technology
white
wire
work