英文關鍵字
are
automation
bright
caucasian
checking
computer
control
design
discussion
drill
drilling
electric
electronic
electronics
employee
engineer
engineering
engineers
equipment
factory
foreman
handsome
holding
industrial
industry
job
laptop
machine
machinery
machines
male
man
manager
manufacturing
mechanical
metal
modern
operator
plant
production
project
safety
solving
speaking
steel
talking
technician
technicians
technology
twins
two
uniform
walking
work
worker
working
workplace
workshop