Billy Lee. General Washington, engraved by Valentine Green after John Trumbull, 1781. William (Billy) Lee, died in 1828, just a few years after his brother Frank. Billy Lee served as George Washingtonâs body servant throughout the Revolutionary War and was the only slave freed outright in Washingtonâs will.
Importance: Agent Utilization is the single most important indicator of Agent productivity. It measures the percentage of time that the average Agent is in âwork modeâ, and is independent of Contact Handle Time or call complexity.
agent properties. are the properties which determine the pathogenicity of the agent, the solubility and acidity or biodegradability of a chemical, the virulence, adhesiveness, resistance to antibacterial agents of bacteria and viruses and so on.. any power, principle or substance by which something is accomplished, or which is capable of producing a chemical, physical or biological effect such as a disease. 2. of disease; any factor whose excessive presence or relative absence is essential for the occurrence of a disease. adrenergic neuron blocking agent.