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.
Medicare Preferred Provider Organization (PPO) Plan. A type of Medicare Advantage Plan (Part C) available in some areas of the country in which you pay less if you use doctors, hospitals, and other health care providers that belong to the plan's network.You can use doctors, hospitals, and providers outside of the network for an additional cost.edicare Health Maintenance Organization (HMO) Plan. A type of Medicare Advantage Plan (Part C) available in some areas of the country. In most HMOs, you can only go to doctors, specialists, or hospitals on the plan's list except in an emergency.