alert
anxiety
bubble
business
concept
condition
control
crisis
danger
dangerous
depression
design
emergency
emotional
fear
frustration
graphic
health
help
icon
illness
illustration
management
mental
office
pain
panic
police
press
pressure
problem
push
rubber
safety
security
shape
sign
speak
stop
stress
stressed
symbol
text
trouble
urgent
warning
woodcut
wooden
word