adult
architect
background
builder
business
businessman
construction
constructor
contractor
engineer
engineering
equipment
hand
happy
hardhat
hat
helmet
holding
indenture
industrial
industry
inspector
isolated
job
male
manager
men
necktie
occupation
people
person
plastic
profession
professional
project
protect
protection
safety
security
shirt
soft
studio
suit
supervisor
technician
white
work
worker
yellow