analysis
architect
architecture
background
blueprint
building
business
caucasian
check
construction
contractor
control
electric
electrical
engineer
engineering
equipment
foreman
hard
hardhat
hat
helmet
industrial
industry
inspecting
inspection
inspector
job
man
manager
occupation
offshore
operator
outdoors
person
plan
plant
professional
protective
room
safety
site
smiling
specialist
supervisor
white
work
worker
writing