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.
BlueCardÂ® PPO. The BlueCard PPO program is the premier national Blue Cross and/or Blue Shield Preferred Provider Program that links together more than 600,000 network doctors and 6,000 network hospitals in 48 states. This is a seamless network that affords members the ability to use any network doctor or network hospital in any location.