In most but not all Protestant traditions, services are presided over by clergy wherever possible. However provision is in many cases made for them to be conducted by laymen if clergy are not available. Services typically include: Other acts of worship can be sometimes incorporated into services, and sometimes not. Sometimes the line is hard to draw. These include: * Blessings for the openings of school and university terms and many other events. * Prayers for healing of particular persons, whether present or not, and for other specific issues.