Even for PDF files a full-text search is possible. Munich was offered at the DGZfP server, however no search was provided at this homepage. Some examples of mayor WWW library content in the field of NDT-CE are listed below. Discussion Forum Discussion Forums are a great advantage of the Internet. NDTnet maximizes opportunities for users to meet and expand their networks of professional contacts.
Technical communities form newsgroups to communicate various announcements, inquiries, etc.
Usually, a specific question is posted and then answered by newsgroup readers within a few hours. This newsgroup does not allow advertising but nevertheless banal, repetitious advertising is always a big part of the posts. The users of the newsgroup are more or less anonymous, this make discussion often very difficult. With the disadvantages of the newsgroups in mind, NDTnet operates an own Web Page based Forum, moderated by Rolf Diederichs. The NDTnet issue February 1998 focused on UT and NDT in Civil Engineering, especially in testing of concrete.