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aterial waste. White [4] emphasized the importance of puter aided materials selection as books have several drawbacks as they are often outdated before reaching the bookshelves. It is very difficult to index them to find answers or to sort data in the manner of your choice. A puterized system, which provides access to materials data, is not necessarily a materials selection system, although access to data is essential to facilitate selection. . Critical review This section reviews the development of puterized materials databases that enabled designers to select the materials in mechanical engineering design application. The development of material databases has been reported by Harmer [5] , Breuer et al [610], Baur [1112] , Michaeli [13] , Ashby [1415] and Cebon and Ashby [1617] . Harmer [5] reported that various database systems have been developed for plastics, elastomers and rubbers such as the Cambridge Materials Selector (CMS) , CAMPUS, Selector II, Plaspec, CenBASE/Materials, Mat. DB, Plastics Design Library .Engineered Materials Abstracts, FUNDUS, Prospector Plus, Polymat, SPAO, ProConcept, Explorer, Platt’s Polymerscan, Standards Infodisk, Pira Abstracts, Packaging Science and Technology Abstracts, ChemIntell and Weldasearch. Computeraided material preselection by uniform standards (CAMPUS) is a widely used materials database for plastics [610]. A product similar to that of CAMPUS is a database concerned with the selection of long fiber reinforced plastics. This system is called FUNDU