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.
You probably also agree with us in thinking that volunteering can make an unbelievable difference to peoplesâ lives, but volunteering isnât a one way street. There is also a whole arsenal of skills you can gain and improve while volunteering and here are just a few of them.. Leadership Skills. During volunteer work you can find out what kind of a leader you are, something which can be a real confidence boost in the future when youâre off to university, looking for a first job or trying to gain that promotion you really want.