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.
Volunteering is also a great way to help you find paid work. If your resume is looking a little short because you don't have much work experience, volunteering is an excellent way to learn new skills and gain genuine work experience at the same time.A history of volunteering can show employers that you:1  Can take the initiative.2  Can work independently and as part of a team.f your resume is looking a little short because you don't have much work experience, volunteering is an excellent way to learn new skills and gain genuine work experience at the same time. A history of volunteering can show employers that you: 1  Can take the initiative. 2  Can work independently and as part of a team.