The Dewey Decimal System classifies books according to ten broad subject areas, and consists of three digits (000-999), which may be followed by a decimal point and a range of numbers. This number is then followed with the first three letters of the author's last name.
To find construction engineering, you would use the following path:
600 - Technology
620 - Engineering
624 - Civil Engineering
Depending on the specific topic you are looking for, you may then continue to narrow down the classificiation number. For example:
624.1 - Structural engineering and underground construction
624.17 - Structural analysis and design
624.177 - Structural design and specific structural elements
624.1773 - Trusses and frames
Its 620. Source: E.edition of DDC
Automobile repair books would typically be located in the 629.2 section of the Dewey decimal system, which covers transportation engineering and automotive engineering.
Dewey Decimal is the classification system of the library.
The Dewey Decimal Classification (DDC), or Dewey Decimal System, is a proprietary library classification system first published in the United States by Melvil Dewey in 1876.
know the ten main devesions of the Dewey decimal system
Melville Dewey
The Dewey decimal number for Greek civilization is 938 in the Dewey Decimal Classification system.
melvil dewey
Dewey decimal system
The Dewey Decimal System and the Library of Congress Classification System.
The library uses the Dewey Decimal Classification system to allocate numbers to books.
dewey decimal system