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 to the Employee. Enrolling in an HRA provides two major advantages to employees: (1) a reduced health insurance premium resulting from the High Deductible Health Plan, and (2) availability of employer-sponsored funds to pay for medical expenses incurred prior to point at which the insurance deductible is met.