adult
agreement
architect
blueprint
builder
building
business
construction
contractor
cooperation
deal
design
engineer
engineering
estate
foreman
hand
handshake
hardhat
helmet
home
house
industrial
industry
job
male
man
manager
meeting
occupation
office
partner
partnership
people
person
plan
professional
project
property
protective
real
safety
shake
site
success
team
teamwork
work
worker