英文關鍵字
40s
computer
console
control
device
display
electronic
employee
engineering
equipment
factory
hardhat
helmet
industrial
industry
keyboard
machine
machining
man
manufacturing
monitor
occupation
panel
person
precision
processing
profession
professional
programmable
push
screen
serious
showing
skill
smart
specialist
staff
stop
switch
technology
thinking
tool
uniform
work
yellow