lack of sleep
abdominal pain
alcohol
character
clerk
cold
coughing
customer service
death
deformed
drugs
drunk
hay fever
headaches
health
hospitalization
illness
injury
knee
low back pain
mask
men
occupation
people
poor physical condition
poses
salesperson
set
smoking
sneezing
sore eye
staff
stiff neck
stress
tobacco
toilet
tooth decay
uniform
wheelchair