機器
abstract
bobbin
brass
business
cable
circle
closeup
coil
color
construction
copper
energy
engineering
equipment
factory
hardware
heavy
horizontal
image
industrial
industry
large
line
macro
manufacturing
metal
metallic
nobody
part
plant
power
production
reel
shiny
shop
spiral
spool
steel
supply
technology
texture
tool
vertical
welding
wheel
wire
work
workshop