Explain the following statements with reasons.

Only trained persons, who are duly qualified can take up the tasks involved in the work of conservation and preservation.

1. The statement mentions the requirement of trained people in handling conservation and preservation.

2. Every level from collecting the sources of History, arranging the records, Indexes, etc. needs to have the required knowledge of the work involved so as to make it easier and reduce the chances of errors.

3. A person with no knowledge on a book to be preserved may never understand the importance of a torn page and might throw it away.