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 can teach you valuable skills. Job seekers who are having trouble finding work are often urged to spend some time volunteering. It is yet another great way to network, it helps to alleviate the stress of the job search, and it also can keep your skills fresh or introduce some new ones.f youâre a do-it-yourself expert, Habitat can also offer you an opportunity to lead a crew, teach newbies, or manage a schedule. All of those skills translate to great resume boosters, giving you yet another excellent reason for lending your skills to a good cause. 2.