機器
accessory
alloy
background
bolt
build
closeup
component
construction
engineering
equipment
factory
female
femalescrew
fix
hardware
heap
hexagon
industrial
industry
item
machinery
macro
manufacturing
many
mechanic
mess
metal
metallic
nut
object
orange
part
pile
regular
repair
scrap
screw
shiny
silver
small
stack
steel
tool
work
workshop