German Technical Dictionary - Routledge (Firm) - Google Books

http://books.google.de/books?id=ZHdl7wmydvUC&pg=PA161&dq=%22concave+set%22&lr=&as_brr=3

Since its publication in 1995, the German Technical Dictionary has established itself as the definitive resource for anyone who needs to translate technical documents between German and English. This new edition has been substantially revised to reflect…