The following websites consider the most important search engines.

ý    For Books:

1-     www.knovel.com

2-     www.arabianbooks.com

ý    Scientific Data Base:

3-     www.sciencedirct.com   (available inside the Campus)

4-     www.springerlink.com

5-     www.americansocity.com

6-     www.interscience.com 

ý    General:

7-     www.googel.com

8-     www.yahoo.com

9-     www.ask.com

10- www.answers.com

11- www.galaxy.com

12-  www.searchalot.com

13- www.appliedindustrial.com

14- www.industerialchemistry.com

15- http://electrochem.cwru.edu/estir/

16- http://electrochem.cwru.edu/estir/inet.htm#educ.

17- http://electrochem.cwru.edu/estir/pop.htm

18- http://electrochem.cwru.edu/ed/encycl/

19- http://www.corrosion-doctors.org/Contents.htm

20- http://www.corrosion-doctors.org/Dictionary/