Coverage Statements: Dental services provided for the routine care, treatment, or replacement of teeth or structures (e.g., root canals, fillings, crowns, bridges, dental prophylaxis, fluoride treatment, and extensive dental restoration) or structures directly supporting the teeth are generally excluded from coverage under Aetna's medical plans, ...
A hard disk drive (sometimes abbreviated as Hard drive, HD, or HDD) is a non-volatile memory hardware device that permanently stores and retrieves data on a computer. A hard drive is a secondary storage device that consists of one or more platters to which data is written using a magnetic head, all inside of an air-sealed casing.
A drive is a physical storage device such as a hard disk drive or removable USB flash drive. A partition is an area of the hard disk that can be formatted and assigned a drive letter. A volume refers to a storage area on a partition of a hard disk.The terms partition and volume are often used interchangeably. drive is a physical storage device such as a hard disk drive or removable USB flash drive. A partition is an area of the hard disk that can be formatted and assigned a drive letter. A volume refers to a storage area on a partition of a hard disk. The terms partition and volume are often used interchangeably.