<Li> places established to care for people felt to be incapable of looking after themselves and a threat to the community, albeit an unintended one: leprosariums, mental hospitals, and tuberculosis sanitariums . </Li> <Li> institutions organised to protect the community against what are felt to be intentional dangers to it, with the welfare of the people thus sequestered not the immediate issue: concentration camps, P.O.W. camps, penitentiaries, and jails . </Li> <Li> institutions purportedly established to better pursue some worklike tasks and justifying themselves only on these instrumental grounds: colonial compounds, work camps, boarding schools, ships, army barracks, and large mansions from the point of view of those who live in the servants' quarters . </Li> <Li> establishments designed as retreats from the world even while often serving also as training stations for the religious; examples are convents, abbeys, monasteries, and other cloisters . </Li>

What is a distinguishing characteristic of total institutions