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.
Donât take our word for it, though â recent research backs up the growing trend towards generous VTO policies. According to the â2013 Employee Benefitsâ report by Society for Human Resource Management, 20% of companies offer volunteer time off to their employees. This is a pretty big increase from 15% in 2009.