auto
bicycle
bike
bolt
chain
chrome
closeup
cog
cogwheel
construct
detail
element
equipment
fix
garage
gear
handyman
hardware
improvement
industrial
industry
instrument
iron
key
kit
mechanic
mechanical
metal
metallic
nut
old
part
repair
rusty
screw
service
shiny
silver
spanner
spare
steel
still
tighten
tire
tool
toolkit
work
worker
workshop
wrench