For women giving birth for the first time, the mucus plug is usually expelled days before labour begins and may often be a sign of early labour. Generally, it is never reason to worry regardless of whether the mucus plug is released early or late.
Hard drive. A hard disk drive (sometimes abbreviated as Hard drive, HD, or HDD) is a device used to permanently store and also retrieve information. There are many variations, but their sizes are generally 3.5 and 2.5 for desktop and laptop computers respectively.
Internal Hard Drives. 108 results. An internal hard drive is the main storage device for housing your computerâs operating system, preferences, programs and data such as documents, pictures, music and videos. Ordinarily, the hard drive is already built into your new computer.