機器
accessory
alloy
background
build
closeup
component
connect
construction
engineering
equipment
factory
fix
hardware
heap
hexagon
industrial
industry
item
machinery
macro
manufacturing
many
mechanic
mechanics
mess
metal
metallic
nut
object
orange
part
pile
progress
regular
reliable
repair
scrap
shiny
silver
small
stack
steel
technology
threaded connection
tool
work
workshop