adult
architect
background
blue collar worker
building
building industry
business
businessman
construction
construction firm
construction industry
construction site
copy space
design
designer
earnestness
engineer
expert
factory
general contractor
industry
inspection
job
male
man
management
manager
managerial position
manufacturing industry
middle
necktie
office worker
person
person in charge
portrait
president
professional occupation
safety
security
sincerity
site
site supervisor
small and mediumsized enterprise
supervisor
technician
trust
white background
work
work clothes
worker