機器
background
bolt
build
cap
clean
close
construction
design
equipment
fastener
female
fixing
flat
gray
grey
group
hardware
head
industrial
industry
interior
iron
isolated
macro
metal
metallic
nail
object
objects
on
one
part
reflection
round
screw
shiny
single
slot
spiral
steel
thread
threaded
tool
up
white
wind
wood
work
working