選択的
bit
bolt
box
caliber
calibre
calliper
car
chrome
circle
combination
corrosion
disc
equipment
focus
handle
handy
hardware
industrial
industry
instrument
iron
kit
machinery
maintenance
measure
mechanic
mechanical
metal
metallic
nut
ratchet
repair
rust
set
silver
spanner
steel
technician
technology
tight
tool
toolbox
toolkit
vanadium
vernier
wheel
work
workshop
wrench