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.
By Kathryn Zickuhr, Lee Rainie and Kristen Purcell. In addition to asking people about their general feelings about libraries and their patterns of patronage, Pew Internetâs survey explored in depth what people do at libraries â both at the physical facilities and on library websites.