IMPORTANCE OF PRESERVATION AND CONSERVATION
The processes of preservation, conservation and restoration are applied to safequard the library materials from further decay and deterioration. Preservation is the process in which all actions are taken to check and retard deterioration where as conservation includes proper diagnosis of the decayed material, timely curative treatment and appropriate prevention from further decay. More over there are two aspects ofpreservation of library materials:(i) the preventive measures which includes all forms of indirect actions aimed at increasing the life expectancy of undamaged or damaged elements of cultural property.It comprises all the methods of good house-keeping, caretaking, dusting, periodical supervision and prevention of any possibility of damage by physical, chemical, biologicaland other factors. (ii) the Curative measures consists of all forms of direct actions aimed at increasing the life expectancy of undamaged or damaged elements of cultural property. It includes repairing, mending, fumigation, deacidification, lamination, and other jobs which are required considering the physical condition of the individual document.
Preventive conservation plays a vital role and has assumed much importance in our country because a large number of institutions do not have proper conservation facilities. In fact if diagnosis in time is followed by proper preventive measures manyproblems can be solved. Herein this paper in accordance with the principles of preventive conservation some measures have been suggested to control the library from the effect of various deteriorating factors.