Descripción o resumen: Technical concepts are clearly explained and presented with informative illustrations in this four-level course. Technical English teaches the core language common to a number of specialisations and is ideal for vocational education or for company employees. The topics reflect the most recent developments in technology, keeping learners interested and motivated. Technical English Workbook with key offers a wide variety of practice and review exercices and covers all of the language areas studied in the unit. With audio CD including all the audio material of the workbook.