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 PPO Plans Cover Extra Benefits. In addition to covering Parts A and B insurance (the same as Original Medicare), Preferred Provider Options (PPOs), a form of Medicare Advantage Plans, also cover additional benefits. Some types of extra benefits that are often covered are vision, dental, hearing, chiropractic, prescription drugs, etc.