金属産業
alloy
backgrounds
business finance and industry
car
cast iron
chrome
color image
crank mechanism
crankshaft
cylinder
disassembling
electric motor
engine
engineering
equipment
gear mechanism
heavy
industry
iron metal
land vehicle
machine part
machinery
manufactured object
manufacturing
metal
metallic
mill
mode of transport
motion
new
no people
part of
piston
replacement
shiny
silver metal
silver colored
spare part
stainless steel
steel
steel mill
technology
transportation
vehicle part