機器
activities
bolt
breaking
broken
business
closeup
color
construction
cracked
craft
dirty
dust
engine
equipment
file
fracture
garage
group
industrial
industry
iron
key
machinery
manufacturing
mechanic
messy
metal
objects
obsolete
oil
old
part
repairing
rust
rusty
screw
shape
spanner
steel
tool
transportation
turning
work
working
wrench