colleague
adult
architect
architecture
blueprint
builder
building
business
businessman
caucasian
civil
construction
construction site
constructor
contractor
corporate
crane
design
developer
development
engineer
engineering
estate
foreman
hardhat
helmet
industrial
industry
inspector
job
male
man
manager
mature
occupation
outdoor
person
plan
professional
project
safety
senior
site
success
suit
supervisor
white
work
worker
working