This text explores ways in which English grammar enables speakers and writers to represent the world, to interact with one another, and to create coherent messages.  Meer

High-Security Mechanical Locks comprehensively surveys and explains the highly technical area of high security locks in a way that is accessible to a wide audience.  Meer

The Lockheed TriStar first flew in November 1970, with production continuing until 1984, by when some 250 aircraft had been built.  Meer