Uses of Motor Graders. Their basic function is to flatten the ground. Civil engineers use to it to finish after the rough work has been done by the scrapers and bulldozers. The name âmaintainerâ refers to the fact that a grader is used to maintain dirt and gravel roads.
BlueMedicare Regional PPO (Regional PPO) is a Regional PPO. A preferred provider organization (PPO) is a medicare plan that has created contracts with a network of preferred providers for you to choose from at reduced rates.
What are Preferred and Non Preferred providers for a PPO plan? PPO is a network of physicians that have agreed, by contract, to discount their rates for the respective PPO members. These physicians, specialists are known as preferred providers, and PPO members are free to see any of them, without any reference from their primary physicians.