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.
Humana Medicare Advantage Plans include HMO, PPO, & PFFS. Here is a brief description of eachâ¦. HMO (Health Maintanence Organization) â An HMO is an alternative to your Medicare coverage. To receive benefits you must use a specific lists of doctors, hospitals, and other providers.