balance
battle
builder
building
business
caucasian
challenge
compete
competition
concept
construction
control
cutout
effort
engineering
floodlights
foreman
goggles
hard
hardhat
hat
helmet
industry
lights
male
man
muscles
muscular
projector
pull
pulling
rivalry
rope
struggling
success
team
teamwork
tug
tug of war
war
white
work
worker
young