activity
architect
blueprint
builder
building
built
business
clothing
construction
construction site
contractor
development
drawing
electrical cable
electrician
electricity
engineer
equipment
examining
expertise
foreman
handyman
hardhat
helmet
inside
jacket
maintenance
man
manager
new
occupation
office
plan
professional
project
protection
protective
reflective
repairman
safety
scrutiny
site
teamwork
technician
tool
trainee
wear
work
worker
working