英文關鍵字
background
concept
engineer
equipment
fix
fixing
hardware
instrument
isolated
key
maintenance
man
mechanic
mechanical
metallic
plumber
professional
repair
service
spanner
technician
tools
white
worker
wrench
英文關鍵字
background
concept
engineer
equipment
fix
fixing
hardware
instrument
isolated
key
maintenance
man
mechanic
mechanical
metallic
plumber
professional
repair
service
spanner
technician
tools
white
worker
wrench