金属産業
accuracy
auto repair shop
ball bearing
car
chrome
circle
color image
conveyor belt
engineer
engineering
equipment
factory
gear
gold
heavy
hubcap
industrial equipment
industry
iron metal
lubrication
machine part
machinery
manufactured object
manufacturing
manufacturing equipment
mechanic
metal
metalwork
part of
pattern
reflection
rolling
service
shiny
silver metal
silver colored
single object
spare part
stainless steel
steel
technology
turning
wheel
work tool
working