aged
antique
auto
bolt
construction
corrode
corrosion
corrosive
detailed
equipment
grungy
hardware
household
industrial
industry
instrument
iron
key
maintenance
mechanic
mechanical
metal
metallic
nut
object
old
repair
rust
rusty
screw
service
shiny
silver
spanner
steel
still
technical
technology
tool
vintage
white
wood
wooden
work
wrench