Step 1 : Introduction to the question "What does the Dewey Decimal System classify?"
...The Dewey Decimal Classification (DDC), or Dewey Decimal System, ... The classification system is used in 200,000 libraries in at least 135 ... One of the innovations of the Dewey Decimal system was that of positioning books on the shelves in ... Missing: rocks chemicals List of Dewey
The Dewey Decimal Classification (DDC) is structured around ten ... 090 Manuscripts and rare books; 091 Manuscripts; 092 Block books; 093 ..... 660 Chemical engineering & related technologies; 661 Technology of industrial chemicals; 662 ...