機器
aluminum
アルミニウム
abstract
array
black
calculation
chrome
closeup
coil
column
company
construction
detail
equipment
gearbox
gearing
historic
industrial
industry
iron
isolated
jump
machinery
macro
mechanic
mechanical
mechanism
metal
metallic
object
old
pattern
pipe
precision
production
quality
row
screw
sheet
silver
spinning
spiral
steel
system
technology
textile
texture
unit
white