adult
architect
building activity
business
businesswoman
caucasian
computer
construction
construction site
construction worker
contractor
control
development
electronic
employee
engineer
equipment
factory
female
hard hat
hardhat
helmet
industrial
industry
inspection
job
machinery
manufacturing
mechanic
occupation
outdoors
person
plan
production
professional
project
protection
renovation
safety
specialist
tablet
tablet computer
technician
technology
uniform
woman
work
working
workplace
workshop