Minor changes on Section 10.9

To align with proposed changes elsewhere:

• from "Technology Service | Represents an explicitly defined exposed technology behavior." to "Technology Service | Represents an explicitly defined behavior that a technology internal structure element exposes to its environment."
• from "Technology Event | Represents a technology state change." to "Technology Event | Represents something that happens or occurs with the technology, especially something significant or noteworthy, such as a technology state change or an execution error."
• eventualy change Artifact icon