auto
bolt
car
carburetor
chain
chrome
closeup
cog
cogwheel
construct
element
engine
equipment
fix
garage
gear
handyman
hardware
improvement
industrial
industry
instrument
iron
key
kit
mechanic
mechanical
metal
metallic
nut
old
part
plate
repair
rusty
screw
service
shiny
silver
spanner
spare
steel
still
tool
toolkit
work
workshop