機器
assembly
block
bolt
chrome
circle
closeup
coil
collection
connection
construction
element
fix
fixture
focus
groove
hardware
head
hexagon
industrial
industry
insulated
iron
isolated
key
macro
manufacturing
material
mechanic
mechanical
metal
new
none
nut
object
part
pile
repair
rotate
screw
shiny
silver
stainless
steel
thread
tighten
tool
white
work
workshop