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.
Benefits of working with 2-10 HBW include: 1  Grow your business and improve your cash flow via referrals. 2  Easily manage all of your contract jobs. 3  Increase your companyâs sales and service revenue. 4  Grow your customer base with no out-of-pocket marketing costs. 5  Obtain approvals, invoice for payments and manage claims online. 6  Gain the ability to 7  ... Ge