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.
Teenagers who volunteer gain benefits ranging from increased self-esteem to acquiring valuable job skills. And it goes without saying that community service is also a critical component of a successful college application. [Get 50 fun and creative community service ideas here!] Why Community Service Work is Beneficial for Teens The Personal Benefits of Teen Volunteering: Develops an increased sense of social responsibilityâa global view of society and a heart for giving back and helping others.