21.   This is work volunteers normally do in hospitals.

22.   This work takes up more agency resources than helping travelers, which is mainly done by volunteers.

23.   Volunteers do everything except the licensed trades of plumbing, heating and electrical work.

24.   Volunteers then did much of the remaining work, including the painstaking tasks of cleaning and polishing the stone.

25.   It was not clear what the volunteers would do once their training was completed.

26.   The volunteers do such chores as cleaning, painting, clearing away weeds and interacting with the children or clients of the institutions.