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.
A hard disk drive (HDD) is a hardware device that's used to store information like software and files. The primary hard disk in a PC is the C drive. A hard disk drive (HDD) is a hardware device that's used to store information like software and files.