architecture
arguing
boss
builder
building
business
businessman
businesswoman
cancelling
construction
contractor
development
discussing
discussion
ear
earmuffs
employee
employer
engineer
foreman
hard
hardhat
hat
hearing
helmet
housing
industrial
loud
man
manager
muff
muffs
noise
pointing
presenting
project
protection
protective
reduction
safety
silence
sound
suggesting
supervisor
urban
woman
work
worker
working
workplace