機器
arrange
board
bolt
build
closeup
construction
design
detail
element
engineering
factory
fixing
furniture
gray
group
hardware
head
house
in
installation
iron
isolate
loosen
macro
mechanic
metal
nail
object
out
part
reflect
repair
row
screw
screwdriver
set
setup
sharp
shiny
tighten
titanium
tools
twist
winding
wood
work
worker