adults
attractive
blueprint
builders
building
building plan
caucasian men
colleagues
construction
construction site
construction workers
cooperation
coworkers
earmuffs
engineers
examining
foremen
handsome
hardhats
helmet
holding
industrial
industry
labor
occupation
people
portable radio
professional
protection
protective gloves
reading
reflective vests
site
standing
team
teamwork
uniform
urban
working