英文關鍵字
activity
asia
asian
businessman
check
constractors
construction
discussing
discussion
distribution
engineering
equipment
fabric
factory
foreman
hardhat
industrial
industry
job
labor
machine
maintenance
male
management
manager
manufacturing
mechanic
men
metal
metalworker
occupation
operator
outdoor
partner
people
person
plant
repairman
safety
technician
technology
two
vest
warehouse
work
worker
workers
working
workplace