abstract
architect
architecture
blueprint
builder
building
business
businessman
career
collage
compilation
composite
construction
contractor
crane
designer
drawing
drawings
employee
employer
engineer
engineering
foreman
hard
hardhat
hat
helmet
industrial
industry
job
male
man
manager
montage
occupation
office
paper
plan
professional
project
protective
safety
set
site
smiling
technical
technology
urban
work
worker