1 An actor is a person, organization, or external system that plays a role in one or more interactions with your system. 2  Actors are drawn as stick figures. 3  Associations. 4  Associations between actors and use cases are indicated in use case diagrams by solid lines.
Beauty benefits of walnut oil (Thinkstock photos/Getty Images) High in vitamins and proteins, walnut oil works wonders for your skin. Apart from eating walnuts, the use of it in the form of oil also helps your skin. They are known to be rich in fibre, Omega-3, protein and other vital minerals. Fights wrinkles.
1. Regulates Cholesterol. One of the most widely known benefits of almond oil is its ability to regulate cholesterol. Regular consumption of almond oil raises HDL cholesterol (known as âgoodâ cholesterol), lowers LDL (âbadâ cholesterol) and generally lowers overall cholesterol levels naturally.