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.
You may choose to enhance your resume by listing the experience and skills youâve gained through volunteer work at the Exploratorium. While the museum doesnât pay volunteers, it does offer other benefits, depending on the number of hours a volunteer accumulates. After a volunteer accumulates 40 hours, he or she receives a one-year museum membership with associated benefits, including a 20 percent discount at the Exploratorium Store. All volunteers receive the following: 1  A 20 percent discount at the Exploratorium cafÃ©. 2  Invitations to Exploratorium âBrown Bagsâ: During a lunch hour, visiting scholars, artists, and scientists present overviews of their current projects and answer questions.