activity
adult
architect
architecture
blueprint
building
building contractor
built structure
business
business person
businessman
caucasian ethnicity
construction industry
construction machinery
construction site
construction worker
cooperation
crane
discussion
engineer
engineering
equipment
expertise
foreman
hardhat
holding
industry
inspector
looking
males
manager
men
mid adult
occupation
outdoors
plan
planning
professional occupation
protective workwear
reflective clothing
safety
smiling
standing
success
talking
teamwork
two people
work helmet
working