anxiety
architecture
builder
business
businessman
company
construction
control
danger
depression
dissatisfied
engineer
face
fail
fatigue
frustration
guard
handsome
health
helmet
human
indicate
industrial
japan
japanese
job
laborer
male
man
occupation
okinawa
people
person
problem
regulation
road
security
serious
stress
suffer
think
tired
traffic
traffic control
trouble
uniform
vest
warning
work
worker
worry