金属産業
colleague
3539 years
4549 years
authority
business
caucasian ethnicity
color image
communication
day
discussion
equipment
expertise
factory
focus on background
hardhat
horizontal
indoors
industry
inspector
looking
machine part
machinery
manager
manual worker
manufacturing
manufacturing equipment
mature adult
mature men
mid adult
mid adult men
occupation
protection
protective workwear
quality control
responsibility
standing
teamwork
technology
two people
working