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.
Yes volunteering is taxing; it takes up your time, energy and more often than not also money. Even then, here are 5 reasons why you should still volunteer! I think, everyone needs to answer this question for himself/ herself on a first hand basis. Here are some responses for âI volunteer for..â from some volunteers. Donât think too much, just take the plunge and then add your experience here to inspire more :).