英文關鍵字
business
construction
engineer
engineering
face
facility
factory
foreman
giving
glasses
good
happy
hardhat
headshot
helmet
hispanic
industrial
industry
inspector
job
latin
line
logistics
looking
machine
machinery
male
man
manufacturing
mechanic
operator
plant
portrait
positive
production
radio
safety
smiling
standing
technology
thumb
uniform
up
warehouse
worker
working
workshop