機器
accessory
background
bolt
component
construction
craftsman
detail
element
engineer
equipment
factory
fastener
fix
grooved
group
grunge
handy
hardware
hex
hex bolt
home
industrial
industry
iron
mechanic
metal
nut
object
old
part
pile
repair
retro
screw
set
shiny
shot
silver
small
spanner
sprocket
stack
steel
store
threaded
tool
vinetage
washer
workshop
wrench