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 contingent workers. There are many potential benefits to using contingent workers. Although the specific benefits vary from case to case, some of the more common benefits include: 1  Cost savings. 2  Perhaps the most significant motivation for using workers such as independent contractors and temps is cost savings.lthough the specific benefits vary from case to case, some of the more common benefits include: 1  Cost savings. 2  Increased efficiency. 3  Administrative savings. 4  Better job security. 5  Recruiting opportunities. 6  Broad talent pool. 7  Flexibility.