architect
architecture
builder
building
businessman
carpenter
clothing
collar
construction
contractor
engineer
engineering
equipment
foreman
happy
hard
hardhat
hat
head
helmet
industrial
industry
isolated
job
male
man
manager
men
occupation
person
profession
professional
project
protection
protective
repairman
safety
site
smiling
supervisor
vest
wear
white
work
worker
workman
yellow