英文關鍵字
20s
40s
african
american
automated
black
caucasian
clipboard
cnc
computer
computerized
control
engineer
engineering
engineers
equipment
ethnicity
factory
forties
indoors
industry
lathe
lockdown
machine
machinery
male
man
manual
manufacturing
mature
medium
men
monitoring
numerical
occupation
operating
overalls
panel
people
person
precision
shot
skilled
technology
twenties
two
worker
working
workman
workshop
writing
years
young