英文關鍵字
abstract
assemble
assembly
board
caucasian
center
circuit
component
computer
electrical
electricity
electronic
engineer
equipment
examining
face
facility
guy
hand
human
indoors
industrial
interior
lab
laboratory
laptop
maintenance
male
man
person
repair
repairman
researcher
scientist
senior
service
support
tech
technical
technician
technology
testing
tool
work
worker