what a coincidence! i also loved to eat chalks when i was small.but yes it really harmful for health.my addiction for chalks was vanished due to the efforts of my parents as well as my will power.plz stop eating chalks. best wishes for recovery from that bad habit.
Definitive Media Library. A Definitive Media Library is a secure Information Technology repository in which an organisation's definitive, authorised versions of software media are stored and protected.
A virtual library is  a digital space that keeps and organizes virtual books and their associated documents. It also can refer to a space where the books can be read. These spaces can include computers, mobile devices and the Internet. Some virtual libraries can be accessed for free, and others require subscriptions.