adult
architect
avatar
background
builder
business
career
caucasian
concept
construction
contractor
education
emotinal
employee
employment
engineer
engineering
foreman
happy
hardhat
helmet
human
illusion
industrial
industry
job
male
man
mirrow
occupation
one
person
portrait
positive
profession
professional
protection
reflection
safety
service
smile
smiling
staff
uniform
work
worker
working
workman