adult

architect

architecture

background

beard

bearded

builder

building

business

caucasian

civil

construction

contractor

doing

engineer

engineering

equipment

foreman

gesture

glasses

hand

hard

hardhat

hat

helmet

helmets

industrial

isolated

jacket

job

looking

male

man

mask

modern

motion

people

person

portrait

positive

professional

protection

protective

reflecting

safety

security

sign

slow

wearing

white

work

worker

yellow