英文關鍵字
adjust
assembler
communication
disassembly
education
electronics
engineer
engineering
factory
fix
futuristic
helper
hopelessness
horizontal
industrial
inventor
laboratory
mechanic
metallic
model
occupation
oldfashioned
outdated
production
professional
repair
repairman
restoration
robotics
science
service
skill
student
technician
technique
technology
tool
toy
work
worker
workshop
worry