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.
Plan benefits. Benefits of becoming an HRA VEBA Plan participant include the following: â¢ You save money by paying zero tax on contributions, earnings, and. reimbursements (claims) â¢ 2, 3You can use your account anytime after becoming claims-eligible. â¢ou can choose how your account is investedY.