30s
activity
adult
arms
business
calculation
detail
engineer
engineering
equipment
expertise
fabrication
factory
indoors
industrial
industry
job
machinery
male
man
manufactory
manufacturing
mechanic
metal
metalwork
occupation
overalls
people
portrait
posing
processing
product
production
professional
repair
size
skilled
standing
technology
tool
work
worker
workshop
workwear
workwoman