1 Associations. 2  Associations between actors and use cases are indicated in use case diagrams by solid lines. 3  An association exists whenever an actor is involved with an interaction described by a use case.
Benefits of Volunteering. Volunteering supports the Exploratorium and promotes hands-on science, artistic expression, and educational innovation. Volunteers contribute to the community while gaining additional experience and new skills. They get to know each other at gatherings and special events and by sharing their ideas and experiences via an e-mail list.
Benefits of Volunteering. Perhaps the first and biggest benefit people get from volunteering is the satisfaction of incorporating service into their lives and making a difference in their community and country. The intangible benefits aloneâsuch as pride, satisfaction, and accomplishmentâare worthwhile reasons to serve.