英文關鍵字
equipment
fixes
hand
handwork
industrial
industries
industry
iron
irons
life
makes
making
mechanic
mechanical
nrepairman
piece
repair
repairing
repairman
repairmen
repairs
reparation
screws
shop
technician
thread
threaded
threading
threads
tool
tools
vice
vices
work
workbench
worker
working