機器
abstract
background
brass
bronze
brown
cable
coil
color
construction
copper
detail
electric
electrical
electricity
energy
engineering
equipment
factory
fiber
induction
industrial
industry
insulation
line
macro
manufacturing
material
metal
metallic
orange
pattern
plant
power
production
radio
red
reel
roll
shiny
spool
steel
structure
supply
technology
texture
winding
wire
work
workshop